20995916046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1\times {\mathrm{9643}}^1$

素因数の和:10805

約数の個数: 64

約数和(自身を含む): 49061265408

約数和(自身を除く): 28065349362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1103, 1974, 2206, 3309, 6618, 7721, 9643, 15442, 19286, 23163, 28929, 46326, 51841, 57858, 67501, 103682, 135002, 155523, 202503, 311046, 362887, 405006, 453221, 725774, 906442, 1088661, 1359663, 2177322, 2719326, 3172547, 6345094, 9517641, 10636229, 19035282, 21272458, 31908687, 63817374, 74453603, 148907206, 223360809, 446721618, 499902763, 999805526, 1499708289, 2999416578, 3499319341, 6998638682, 10497958023, 20995916046]

約数ペア:

[(1, 20995916046), (2, 10497958023), (3, 6998638682), (6, 3499319341), (7, 2999416578), (14, 1499708289), (21, 999805526), (42, 499902763), (47, 446721618), (94, 223360809), (141, 148907206), (282, 74453603), (329, 63817374), (658, 31908687), (987, 21272458), (1103, 19035282), (1974, 10636229), (2206, 9517641), (3309, 6345094), (6618, 3172547), (7721, 2719326), (9643, 2177322), (15442, 1359663), (19286, 1088661), (23163, 906442), (28929, 725774), (46326, 453221), (51841, 405006), (57858, 362887), (67501, 311046), (103682, 202503), (135002, 155523)]