20485020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 60621120

約数和(自身を除く): 40136100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 61, 87, 116, 122, 145, 174, 183, 193, 244, 290, 305, 348, 366, 386, 435, 579, 580, 610, 732, 772, 870, 915, 965, 1158, 1220, 1740, 1769, 1830, 1930, 2316, 2895, 3538, 3660, 3860, 5307, 5597, 5790, 7076, 8845, 10614, 11194, 11580, 11773, 16791, 17690, 21228, 22388, 23546, 26535, 27985, 33582, 35319, 35380, 47092, 53070, 55970, 58865, 67164, 70638, 83955, 106140, 111940, 117730, 141276, 167910, 176595, 235460, 335820, 341417, 353190, 682834, 706380, 1024251, 1365668, 1707085, 2048502, 3414170, 4097004, 5121255, 6828340, 10242510, 20485020]

約数ペア:

[(1, 20485020), (2, 10242510), (3, 6828340), (4, 5121255), (5, 4097004), (6, 3414170), (10, 2048502), (12, 1707085), (15, 1365668), (20, 1024251), (29, 706380), (30, 682834), (58, 353190), (60, 341417), (61, 335820), (87, 235460), (116, 176595), (122, 167910), (145, 141276), (174, 117730), (183, 111940), (193, 106140), (244, 83955), (290, 70638), (305, 67164), (348, 58865), (366, 55970), (386, 53070), (435, 47092), (579, 35380), (580, 35319), (610, 33582), (732, 27985), (772, 26535), (870, 23546), (915, 22388), (965, 21228), (1158, 17690), (1220, 16791), (1740, 11773), (1769, 11580), (1830, 11194), (1930, 10614), (2316, 8845), (2895, 7076), (3538, 5790), (3660, 5597), (3860, 5307)]