20196594488

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{26993}}^1$

素因数の和:27468

約数の個数: 64

約数和(自身を含む): 44779806720

約数和(自身を除く): 24583212232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 431, 434, 862, 868, 1724, 1736, 3017, 3448, 6034, 12068, 13361, 24136, 26722, 26993, 53444, 53986, 93527, 106888, 107972, 187054, 188951, 215944, 374108, 377902, 748216, 755804, 836783, 1511608, 1673566, 3347132, 5857481, 6694264, 11633983, 11714962, 23267966, 23429924, 46535932, 46859848, 81437881, 93071864, 162875762, 325751524, 360653473, 651503048, 721306946, 1442613892, 2524574311, 2885227784, 5049148622, 10098297244, 20196594488]

約数ペア:

[(1, 20196594488), (2, 10098297244), (4, 5049148622), (7, 2885227784), (8, 2524574311), (14, 1442613892), (28, 721306946), (31, 651503048), (56, 360653473), (62, 325751524), (124, 162875762), (217, 93071864), (248, 81437881), (431, 46859848), (434, 46535932), (862, 23429924), (868, 23267966), (1724, 11714962), (1736, 11633983), (3017, 6694264), (3448, 5857481), (6034, 3347132), (12068, 1673566), (13361, 1511608), (24136, 836783), (26722, 755804), (26993, 748216), (53444, 377902), (53986, 374108), (93527, 215944), (106888, 188951), (107972, 187054)]