20925055240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{25577}}^1$

素因数の和:25882

約数の個数: 64

約数和(自身を含む): 47762310960

約数和(自身を除く): 26837255720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 181, 226, 362, 452, 565, 724, 904, 905, 1130, 1448, 1810, 2260, 3620, 4520, 7240, 20453, 25577, 40906, 51154, 81812, 102265, 102308, 127885, 163624, 204530, 204616, 255770, 409060, 511540, 818120, 1023080, 2890201, 4629437, 5780402, 9258874, 11560804, 14451005, 18517748, 23121608, 23147185, 28902010, 37035496, 46294370, 57804020, 92588740, 115608040, 185177480, 523126381, 1046252762, 2092505524, 2615631905, 4185011048, 5231263810, 10462527620, 20925055240]

約数ペア:

[(1, 20925055240), (2, 10462527620), (4, 5231263810), (5, 4185011048), (8, 2615631905), (10, 2092505524), (20, 1046252762), (40, 523126381), (113, 185177480), (181, 115608040), (226, 92588740), (362, 57804020), (452, 46294370), (565, 37035496), (724, 28902010), (904, 23147185), (905, 23121608), (1130, 18517748), (1448, 14451005), (1810, 11560804), (2260, 9258874), (3620, 5780402), (4520, 4629437), (7240, 2890201), (20453, 1023080), (25577, 818120), (40906, 511540), (51154, 409060), (81812, 255770), (102265, 204616), (102308, 204530), (127885, 163624)]