20662977524

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1\times {\mathrm{22639}}^1$

素因数の和:23568

約数の個数: 48

約数和(自身を含む): 42492925440

約数和(自身を除く): 21829947916

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 881, 1036, 1762, 3524, 6167, 12334, 22639, 24668, 32597, 45278, 65194, 90556, 130388, 158473, 228179, 316946, 456358, 633892, 837643, 912716, 1675286, 3350572, 5863501, 11727002, 19944959, 23454004, 39889918, 79779836, 139614713, 279229426, 558458852, 737963483, 1475926966, 2951853932, 5165744381, 10331488762, 20662977524]

約数ペア:

[(1, 20662977524), (2, 10331488762), (4, 5165744381), (7, 2951853932), (14, 1475926966), (28, 737963483), (37, 558458852), (74, 279229426), (148, 139614713), (259, 79779836), (518, 39889918), (881, 23454004), (1036, 19944959), (1762, 11727002), (3524, 5863501), (6167, 3350572), (12334, 1675286), (22639, 912716), (24668, 837643), (32597, 633892), (45278, 456358), (65194, 316946), (90556, 228179), (130388, 158473)]