20403721910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{50777}}^1$

素因数の和:51089

約数の個数: 64

約数和(自身を含む): 43301853504

約数和(自身を除く): 22898131594

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 281, 286, 562, 715, 1405, 1430, 2810, 3091, 3653, 6182, 7306, 15455, 18265, 30910, 36530, 40183, 50777, 80366, 101554, 200915, 253885, 401830, 507770, 558547, 660101, 1117094, 1320202, 2792735, 3300505, 5585470, 6601010, 7261111, 14268337, 14522222, 28536674, 36305555, 71341685, 72611110, 142683370, 156951707, 185488381, 313903414, 370976762, 784758535, 927441905, 1569517070, 1854883810, 2040372191, 4080744382, 10201860955, 20403721910]

約数ペア:

[(1, 20403721910), (2, 10201860955), (5, 4080744382), (10, 2040372191), (11, 1854883810), (13, 1569517070), (22, 927441905), (26, 784758535), (55, 370976762), (65, 313903414), (110, 185488381), (130, 156951707), (143, 142683370), (281, 72611110), (286, 71341685), (562, 36305555), (715, 28536674), (1405, 14522222), (1430, 14268337), (2810, 7261111), (3091, 6601010), (3653, 5585470), (6182, 3300505), (7306, 2792735), (15455, 1320202), (18265, 1117094), (30910, 660101), (36530, 558547), (40183, 507770), (50777, 401830), (80366, 253885), (101554, 200915)]