20197614980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{138283}}^1$

素因数の和:138468

約数の個数: 48

約数和(自身を含む): 43443301440

約数和(自身を除く): 23245686460

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 218, 268, 335, 436, 545, 670, 1090, 1340, 2180, 7303, 14606, 29212, 36515, 73030, 138283, 146060, 276566, 553132, 691415, 1382830, 2765660, 9264961, 15072847, 18529922, 30145694, 37059844, 46324805, 60291388, 75364235, 92649610, 150728470, 185299220, 301456940, 1009880749, 2019761498, 4039522996, 5049403745, 10098807490, 20197614980]

約数ペア:

[(1, 20197614980), (2, 10098807490), (4, 5049403745), (5, 4039522996), (10, 2019761498), (20, 1009880749), (67, 301456940), (109, 185299220), (134, 150728470), (218, 92649610), (268, 75364235), (335, 60291388), (436, 46324805), (545, 37059844), (670, 30145694), (1090, 18529922), (1340, 15072847), (2180, 9264961), (7303, 2765660), (14606, 1382830), (29212, 691415), (36515, 553132), (73030, 276566), (138283, 146060)]