20551438216

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{587}}^1\times {\mathrm{1063}}^1$

素因数の和:1858

約数の個数: 64

約数和(自身を含む): 40540953600

約数和(自身を除く): 19989515384

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 587, 716, 1063, 1174, 1432, 2126, 2348, 4117, 4252, 4696, 8234, 8504, 13501, 16468, 24449, 27002, 32936, 48898, 54004, 97796, 105073, 108008, 190277, 195592, 210146, 380554, 420292, 623981, 761108, 840584, 1247962, 1522216, 2416679, 2495924, 4376371, 4833358, 4991848, 8752742, 9666716, 14351563, 17505484, 19333432, 28703126, 35010968, 57406252, 111692599, 114812504, 223385198, 446770396, 893540792, 2568929777, 5137859554, 10275719108, 20551438216]

約数ペア:

[(1, 20551438216), (2, 10275719108), (4, 5137859554), (8, 2568929777), (23, 893540792), (46, 446770396), (92, 223385198), (179, 114812504), (184, 111692599), (358, 57406252), (587, 35010968), (716, 28703126), (1063, 19333432), (1174, 17505484), (1432, 14351563), (2126, 9666716), (2348, 8752742), (4117, 4991848), (4252, 4833358), (4696, 4376371), (8234, 2495924), (8504, 2416679), (13501, 1522216), (16468, 1247962), (24449, 840584), (27002, 761108), (32936, 623981), (48898, 420292), (54004, 380554), (97796, 210146), (105073, 195592), (108008, 190277)]