20984970528

素因数分解:

$2^5\times 3^2\times {\mathrm{5701}}^1\times {\mathrm{12781}}^1$

素因数の和:18498

約数の個数: 72

約数和(自身を含む): 59691147516

約数和(自身を除く): 38706176988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 5701, 11402, 12781, 17103, 22804, 25562, 34206, 38343, 45608, 51124, 51309, 68412, 76686, 91216, 102248, 102618, 115029, 136824, 153372, 182432, 204496, 205236, 230058, 273648, 306744, 408992, 410472, 460116, 547296, 613488, 820944, 920232, 1226976, 1641888, 1840464, 3680928, 72864481, 145728962, 218593443, 291457924, 437186886, 582915848, 655780329, 874373772, 1165831696, 1311560658, 1748747544, 2331663392, 2623121316, 3497495088, 5246242632, 6994990176, 10492485264, 20984970528]

約数ペア:

[(1, 20984970528), (2, 10492485264), (3, 6994990176), (4, 5246242632), (6, 3497495088), (8, 2623121316), (9, 2331663392), (12, 1748747544), (16, 1311560658), (18, 1165831696), (24, 874373772), (32, 655780329), (36, 582915848), (48, 437186886), (72, 291457924), (96, 218593443), (144, 145728962), (288, 72864481), (5701, 3680928), (11402, 1840464), (12781, 1641888), (17103, 1226976), (22804, 920232), (25562, 820944), (34206, 613488), (38343, 547296), (45608, 460116), (51124, 410472), (51309, 408992), (68412, 306744), (76686, 273648), (91216, 230058), (102248, 205236), (102618, 204496), (115029, 182432), (136824, 153372)]