20120971780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{8147}}^1$

素因数の和:8258

約数の個数: 192

約数和(自身を含む): 55192596480

約数和(自身を除く): 35071624700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 59, 65, 70, 91, 92, 115, 118, 130, 140, 161, 182, 230, 236, 260, 295, 299, 322, 364, 413, 455, 460, 590, 598, 644, 767, 805, 826, 910, 1180, 1196, 1357, 1495, 1534, 1610, 1652, 1820, 2065, 2093, 2714, 2990, 3068, 3220, 3835, 4130, 4186, 5369, 5428, 5980, 6785, 7670, 8147, 8260, 8372, 9499, 10465, 10738, 13570, 15340, 16294, 17641, 18998, 20930, 21476, 26845, 27140, 32588, 35282, 37996, 40735, 41860, 47495, 53690, 57029, 70564, 81470, 88205, 94990, 105911, 107380, 114058, 123487, 162940, 176410, 187381, 189980, 211822, 228116, 246974, 285145, 352820, 374762, 423644, 480673, 493948, 529555, 570290, 617435, 741377, 749524, 936905, 961346, 1059110, 1140580, 1234870, 1311667, 1482754, 1873810, 1922692, 2118220, 2403365, 2435953, 2469740, 2623334, 2965508, 3364711, 3706885, 3747620, 4806730, 4871906, 5246668, 6248749, 6558335, 6729422, 7413770, 9613460, 9743812, 11055479, 12179765, 12497498, 13116670, 13458844, 14827540, 16823555, 17051671, 22110958, 24359530, 24994996, 26233340, 31243745, 33647110, 34103342, 43741243, 44221916, 48719060, 55277395, 62487490, 67294220, 68206684, 77388353, 85258355, 87482486, 110554790, 124974980, 143721227, 154776706, 170516710, 174964972, 218706215, 221109580, 287442454, 309553412, 341033420, 386941765, 437412430, 574884908, 718606135, 773883530, 874824860, 1006048589, 1437212270, 1547767060, 2012097178, 2874424540, 4024194356, 5030242945, 10060485890, 20120971780]

約数ペア:

[(1, 20120971780), (2, 10060485890), (4, 5030242945), (5, 4024194356), (7, 2874424540), (10, 2012097178), (13, 1547767060), (14, 1437212270), (20, 1006048589), (23, 874824860), (26, 773883530), (28, 718606135), (35, 574884908), (46, 437412430), (52, 386941765), (59, 341033420), (65, 309553412), (70, 287442454), (91, 221109580), (92, 218706215), (115, 174964972), (118, 170516710), (130, 154776706), (140, 143721227), (161, 124974980), (182, 110554790), (230, 87482486), (236, 85258355), (260, 77388353), (295, 68206684), (299, 67294220), (322, 62487490), (364, 55277395), (413, 48719060), (455, 44221916), (460, 43741243), (590, 34103342), (598, 33647110), (644, 31243745), (767, 26233340), (805, 24994996), (826, 24359530), (910, 22110958), (1180, 17051671), (1196, 16823555), (1357, 14827540), (1495, 13458844), (1534, 13116670), (1610, 12497498), (1652, 12179765), (1820, 11055479), (2065, 9743812), (2093, 9613460), (2714, 7413770), (2990, 6729422), (3068, 6558335), (3220, 6248749), (3835, 5246668), (4130, 4871906), (4186, 4806730), (5369, 3747620), (5428, 3706885), (5980, 3364711), (6785, 2965508), (7670, 2623334), (8147, 2469740), (8260, 2435953), (8372, 2403365), (9499, 2118220), (10465, 1922692), (10738, 1873810), (13570, 1482754), (15340, 1311667), (16294, 1234870), (17641, 1140580), (18998, 1059110), (20930, 961346), (21476, 936905), (26845, 749524), (27140, 741377), (32588, 617435), (35282, 570290), (37996, 529555), (40735, 493948), (41860, 480673), (47495, 423644), (53690, 374762), (57029, 352820), (70564, 285145), (81470, 246974), (88205, 228116), (94990, 211822), (105911, 189980), (107380, 187381), (114058, 176410), (123487, 162940)]