20719511774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{1831}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 35455795200

約数和(自身を除く): 14736283426

約数列:

[1, 2, 13, 23, 26, 46, 127, 149, 254, 298, 299, 598, 1651, 1831, 1937, 2921, 3302, 3427, 3662, 3874, 5842, 6854, 18923, 23803, 37846, 37973, 42113, 44551, 47606, 75946, 84226, 89102, 232537, 245999, 272819, 435229, 465074, 491998, 545638, 547469, 870458, 1094938, 3022981, 3546647, 5348351, 5657977, 6045962, 6274837, 7093294, 10696702, 11315954, 12549674, 34648013, 69296026, 69528563, 81572881, 139057126, 163145762, 450424169, 796904299, 900848338, 1593808598, 10359755887, 20719511774]

約数ペア:

[(1, 20719511774), (2, 10359755887), (13, 1593808598), (23, 900848338), (26, 796904299), (46, 450424169), (127, 163145762), (149, 139057126), (254, 81572881), (298, 69528563), (299, 69296026), (598, 34648013), (1651, 12549674), (1831, 11315954), (1937, 10696702), (2921, 7093294), (3302, 6274837), (3427, 6045962), (3662, 5657977), (3874, 5348351), (5842, 3546647), (6854, 3022981), (18923, 1094938), (23803, 870458), (37846, 547469), (37973, 545638), (42113, 491998), (44551, 465074), (47606, 435229), (75946, 272819), (84226, 245999), (89102, 232537)]