20407029280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{41263}}^1$

素因数の和:41570

約数の個数: 96

約数和(自身を含む): 52782928128

約数和(自身を除く): 32375898848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 281, 352, 440, 562, 880, 1124, 1405, 1760, 2248, 2810, 3091, 4496, 5620, 6182, 8992, 11240, 12364, 15455, 22480, 24728, 30910, 41263, 44960, 49456, 61820, 82526, 98912, 123640, 165052, 206315, 247280, 330104, 412630, 453893, 494560, 660208, 825260, 907786, 1320416, 1650520, 1815572, 2269465, 3301040, 3631144, 4538930, 6602080, 7262288, 9077860, 11594903, 14524576, 18155720, 23189806, 36311440, 46379612, 57974515, 72622880, 92759224, 115949030, 127543933, 185518448, 231898060, 255087866, 371036896, 463796120, 510175732, 637719665, 927592240, 1020351464, 1275439330, 1855184480, 2040702928, 2550878660, 4081405856, 5101757320, 10203514640, 20407029280]

約数ペア:

[(1, 20407029280), (2, 10203514640), (4, 5101757320), (5, 4081405856), (8, 2550878660), (10, 2040702928), (11, 1855184480), (16, 1275439330), (20, 1020351464), (22, 927592240), (32, 637719665), (40, 510175732), (44, 463796120), (55, 371036896), (80, 255087866), (88, 231898060), (110, 185518448), (160, 127543933), (176, 115949030), (220, 92759224), (281, 72622880), (352, 57974515), (440, 46379612), (562, 36311440), (880, 23189806), (1124, 18155720), (1405, 14524576), (1760, 11594903), (2248, 9077860), (2810, 7262288), (3091, 6602080), (4496, 4538930), (5620, 3631144), (6182, 3301040), (8992, 2269465), (11240, 1815572), (12364, 1650520), (15455, 1320416), (22480, 907786), (24728, 825260), (30910, 660208), (41263, 494560), (44960, 453893), (49456, 412630), (61820, 330104), (82526, 247280), (98912, 206315), (123640, 165052)]