20243467180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{55949}}^1$

素因数の和:56266

約数の個数: 48

約数和(自身を含む): 43238160000

約数和(自身を除く): 22994692820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 229, 316, 395, 458, 790, 916, 1145, 1580, 2290, 4580, 18091, 36182, 55949, 72364, 90455, 111898, 180910, 223796, 279745, 361820, 559490, 1118980, 4419971, 8839942, 12812321, 17679884, 22099855, 25624642, 44199710, 51249284, 64061605, 88399420, 128123210, 256246420, 1012173359, 2024346718, 4048693436, 5060866795, 10121733590, 20243467180]

約数ペア:

[(1, 20243467180), (2, 10121733590), (4, 5060866795), (5, 4048693436), (10, 2024346718), (20, 1012173359), (79, 256246420), (158, 128123210), (229, 88399420), (316, 64061605), (395, 51249284), (458, 44199710), (790, 25624642), (916, 22099855), (1145, 17679884), (1580, 12812321), (2290, 8839942), (4580, 4419971), (18091, 1118980), (36182, 559490), (55949, 361820), (72364, 279745), (90455, 223796), (111898, 180910)]