20120370690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{20707}}^1$

素因数の和:21392

約数の個数: 96

約数和(自身を含む): 56260488384

約数和(自身を除く): 36140117694

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 661, 735, 1322, 1470, 1983, 3305, 3966, 4627, 6610, 9254, 9915, 13881, 19830, 20707, 23135, 27762, 32389, 41414, 46270, 62121, 64778, 69405, 97167, 103535, 124242, 138810, 144949, 161945, 194334, 207070, 289898, 310605, 323890, 434847, 485835, 621210, 724745, 869694, 971670, 1014643, 1449490, 2029286, 2174235, 3043929, 4348470, 5073215, 6087858, 10146430, 13687327, 15219645, 27374654, 30439290, 41061981, 68436635, 82123962, 95811289, 136873270, 191622578, 205309905, 287433867, 410619810, 479056445, 574867734, 670679023, 958112890, 1341358046, 1437169335, 2012037069, 2874338670, 3353395115, 4024074138, 6706790230, 10060185345, 20120370690]

約数ペア:

[(1, 20120370690), (2, 10060185345), (3, 6706790230), (5, 4024074138), (6, 3353395115), (7, 2874338670), (10, 2012037069), (14, 1437169335), (15, 1341358046), (21, 958112890), (30, 670679023), (35, 574867734), (42, 479056445), (49, 410619810), (70, 287433867), (98, 205309905), (105, 191622578), (147, 136873270), (210, 95811289), (245, 82123962), (294, 68436635), (490, 41061981), (661, 30439290), (735, 27374654), (1322, 15219645), (1470, 13687327), (1983, 10146430), (3305, 6087858), (3966, 5073215), (4627, 4348470), (6610, 3043929), (9254, 2174235), (9915, 2029286), (13881, 1449490), (19830, 1014643), (20707, 971670), (23135, 869694), (27762, 724745), (32389, 621210), (41414, 485835), (46270, 434847), (62121, 323890), (64778, 310605), (69405, 289898), (97167, 207070), (103535, 194334), (124242, 161945), (138810, 144949)]