20671036760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{3853}}^1$

素因数の和:4101

約数の個数: 128

約数和(自身を含む): 51696014400

約数和(自身を除く): 31024977640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 137, 178, 220, 274, 356, 440, 445, 548, 685, 712, 890, 979, 1096, 1370, 1507, 1780, 1958, 2740, 3014, 3560, 3853, 3916, 4895, 5480, 6028, 7535, 7706, 7832, 9790, 12056, 12193, 15070, 15412, 19265, 19580, 24386, 30140, 30824, 38530, 39160, 42383, 48772, 60280, 60965, 77060, 84766, 97544, 121930, 134123, 154120, 169532, 211915, 243860, 268246, 339064, 342917, 423830, 487720, 527861, 536492, 670615, 685834, 847660, 1055722, 1072984, 1341230, 1371668, 1695320, 1714585, 2111444, 2639305, 2682460, 2743336, 3429170, 3772087, 4222888, 5278610, 5364920, 5806471, 6858340, 7544174, 10557220, 11612942, 13716680, 15088348, 18860435, 21114440, 23225884, 29032355, 30176696, 37720870, 46451768, 46979629, 58064710, 75441740, 93959258, 116129420, 150883480, 187918516, 232258840, 234898145, 375837032, 469796290, 516775919, 939592580, 1033551838, 1879185160, 2067103676, 2583879595, 4134207352, 5167759190, 10335518380, 20671036760]

約数ペア:

[(1, 20671036760), (2, 10335518380), (4, 5167759190), (5, 4134207352), (8, 2583879595), (10, 2067103676), (11, 1879185160), (20, 1033551838), (22, 939592580), (40, 516775919), (44, 469796290), (55, 375837032), (88, 234898145), (89, 232258840), (110, 187918516), (137, 150883480), (178, 116129420), (220, 93959258), (274, 75441740), (356, 58064710), (440, 46979629), (445, 46451768), (548, 37720870), (685, 30176696), (712, 29032355), (890, 23225884), (979, 21114440), (1096, 18860435), (1370, 15088348), (1507, 13716680), (1780, 11612942), (1958, 10557220), (2740, 7544174), (3014, 6858340), (3560, 5806471), (3853, 5364920), (3916, 5278610), (4895, 4222888), (5480, 3772087), (6028, 3429170), (7535, 2743336), (7706, 2682460), (7832, 2639305), (9790, 2111444), (12056, 1714585), (12193, 1695320), (15070, 1371668), (15412, 1341230), (19265, 1072984), (19580, 1055722), (24386, 847660), (30140, 685834), (30824, 670615), (38530, 536492), (39160, 527861), (42383, 487720), (48772, 423830), (60280, 342917), (60965, 339064), (77060, 268246), (84766, 243860), (97544, 211915), (121930, 169532), (134123, 154120)]