20117460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 65959488

約数和(自身を除く): 45842028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 163, 165, 170, 187, 204, 220, 242, 255, 326, 330, 340, 363, 374, 484, 489, 510, 561, 605, 652, 660, 726, 748, 815, 935, 978, 1020, 1122, 1210, 1452, 1630, 1793, 1815, 1870, 1956, 2057, 2244, 2420, 2445, 2771, 2805, 3260, 3586, 3630, 3740, 4114, 4890, 5379, 5542, 5610, 6171, 7172, 7260, 8228, 8313, 8965, 9780, 10285, 10758, 11084, 11220, 12342, 13855, 16626, 17930, 19723, 20570, 21516, 24684, 26895, 27710, 30481, 30855, 33252, 35860, 39446, 41140, 41565, 53790, 55420, 59169, 60962, 61710, 78892, 83130, 91443, 98615, 107580, 118338, 121924, 123420, 152405, 166260, 182886, 197230, 236676, 295845, 304810, 335291, 365772, 394460, 457215, 591690, 609620, 670582, 914430, 1005873, 1183380, 1341164, 1676455, 1828860, 2011746, 3352910, 4023492, 5029365, 6705820, 10058730, 20117460]

約数ペア:

[(1, 20117460), (2, 10058730), (3, 6705820), (4, 5029365), (5, 4023492), (6, 3352910), (10, 2011746), (11, 1828860), (12, 1676455), (15, 1341164), (17, 1183380), (20, 1005873), (22, 914430), (30, 670582), (33, 609620), (34, 591690), (44, 457215), (51, 394460), (55, 365772), (60, 335291), (66, 304810), (68, 295845), (85, 236676), (102, 197230), (110, 182886), (121, 166260), (132, 152405), (163, 123420), (165, 121924), (170, 118338), (187, 107580), (204, 98615), (220, 91443), (242, 83130), (255, 78892), (326, 61710), (330, 60962), (340, 59169), (363, 55420), (374, 53790), (484, 41565), (489, 41140), (510, 39446), (561, 35860), (605, 33252), (652, 30855), (660, 30481), (726, 27710), (748, 26895), (815, 24684), (935, 21516), (978, 20570), (1020, 19723), (1122, 17930), (1210, 16626), (1452, 13855), (1630, 12342), (1793, 11220), (1815, 11084), (1870, 10758), (1956, 10285), (2057, 9780), (2244, 8965), (2420, 8313), (2445, 8228), (2771, 7260), (2805, 7172), (3260, 6171), (3586, 5610), (3630, 5542), (3740, 5379), (4114, 4890)]