20246571865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{1471}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 27627909120

約数和(自身を除く): 7381337255

約数列:

[1, 5, 13, 37, 59, 65, 97, 185, 295, 481, 485, 767, 1261, 1471, 2183, 2405, 3589, 3835, 5723, 6305, 7355, 10915, 17945, 19123, 28379, 28615, 46657, 54427, 74399, 86789, 95615, 141895, 142687, 211751, 233285, 272135, 371995, 433945, 707551, 713435, 1058755, 1128257, 1854931, 2752763, 3211193, 3537755, 5279419, 5641285, 8418533, 9274655, 13763815, 16055965, 26397095, 41745509, 42092665, 68632447, 109440929, 208727545, 311485721, 343162235, 547204645, 1557428605, 4049314373, 20246571865]

約数ペア:

[(1, 20246571865), (5, 4049314373), (13, 1557428605), (37, 547204645), (59, 343162235), (65, 311485721), (97, 208727545), (185, 109440929), (295, 68632447), (481, 42092665), (485, 41745509), (767, 26397095), (1261, 16055965), (1471, 13763815), (2183, 9274655), (2405, 8418533), (3589, 5641285), (3835, 5279419), (5723, 3537755), (6305, 3211193), (7355, 2752763), (10915, 1854931), (17945, 1128257), (19123, 1058755), (28379, 713435), (28615, 707551), (46657, 433945), (54427, 371995), (74399, 272135), (86789, 233285), (95615, 211751), (141895, 142687)]