20199060020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1\times {\mathrm{9157}}^1$

素因数の和:11300

約数の個数: 48

約数和(自身を含む): 43243856208

約数和(自身を除く): 23044796188

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2081, 4162, 8324, 9157, 10405, 18314, 20810, 36628, 41620, 45785, 91570, 110293, 183140, 220586, 441172, 485321, 551465, 970642, 1102930, 1941284, 2205860, 2426605, 4853210, 9706420, 19055717, 38111434, 76222868, 95278585, 190557170, 381114340, 1009953001, 2019906002, 4039812004, 5049765005, 10099530010, 20199060020]

約数ペア:

[(1, 20199060020), (2, 10099530010), (4, 5049765005), (5, 4039812004), (10, 2019906002), (20, 1009953001), (53, 381114340), (106, 190557170), (212, 95278585), (265, 76222868), (530, 38111434), (1060, 19055717), (2081, 9706420), (4162, 4853210), (8324, 2426605), (9157, 2205860), (10405, 1941284), (18314, 1102930), (20810, 970642), (36628, 551465), (41620, 485321), (45785, 441172), (91570, 220586), (110293, 183140)]