20183178880

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{294731}}^1$

素因数の和:294857

約数の個数: 64

約数和(自身を含む): 48701515680

約数和(自身を除く): 28518336800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1712, 2140, 3424, 4280, 6848, 8560, 13696, 17120, 34240, 68480, 294731, 589462, 1178924, 1473655, 2357848, 2947310, 4715696, 5894620, 9431392, 11789240, 18862784, 23578480, 31536217, 37725568, 47156960, 63072434, 94313920, 126144868, 157681085, 188627840, 252289736, 315362170, 504579472, 630724340, 1009158944, 1261448680, 2018317888, 2522897360, 4036635776, 5045794720, 10091589440, 20183178880]

約数ペア:

[(1, 20183178880), (2, 10091589440), (4, 5045794720), (5, 4036635776), (8, 2522897360), (10, 2018317888), (16, 1261448680), (20, 1009158944), (32, 630724340), (40, 504579472), (64, 315362170), (80, 252289736), (107, 188627840), (128, 157681085), (160, 126144868), (214, 94313920), (320, 63072434), (428, 47156960), (535, 37725568), (640, 31536217), (856, 23578480), (1070, 18862784), (1712, 11789240), (2140, 9431392), (3424, 5894620), (4280, 4715696), (6848, 2947310), (8560, 2357848), (13696, 1473655), (17120, 1178924), (34240, 589462), (68480, 294731)]