20235714830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{4451}}^1$

素因数の和:4805

約数の個数: 64

約数和(自身を含む): 38455663680

約数和(自身を除く): 18219948850

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 257, 290, 305, 514, 610, 1285, 1769, 2570, 3538, 4451, 7453, 8845, 8902, 14906, 15677, 17690, 22255, 31354, 37265, 44510, 74530, 78385, 129079, 156770, 258158, 271511, 454633, 543022, 645395, 909266, 1143907, 1290790, 1357555, 2273165, 2287814, 2715110, 4546330, 5719535, 7873819, 11439070, 15747638, 33173303, 39369095, 66346606, 69778327, 78738190, 139556654, 165866515, 331733030, 348891635, 697783270, 2023571483, 4047142966, 10117857415, 20235714830]

約数ペア:

[(1, 20235714830), (2, 10117857415), (5, 4047142966), (10, 2023571483), (29, 697783270), (58, 348891635), (61, 331733030), (122, 165866515), (145, 139556654), (257, 78738190), (290, 69778327), (305, 66346606), (514, 39369095), (610, 33173303), (1285, 15747638), (1769, 11439070), (2570, 7873819), (3538, 5719535), (4451, 4546330), (7453, 2715110), (8845, 2287814), (8902, 2273165), (14906, 1357555), (15677, 1290790), (17690, 1143907), (22255, 909266), (31354, 645395), (37265, 543022), (44510, 454633), (74530, 271511), (78385, 258158), (129079, 156770)]