20247745390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{161221}}^1$

素因数の和:161908

約数の個数: 32

約数和(自身を含む): 38422427040

約数和(自身を除く): 18174681650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 661, 1322, 3305, 6610, 12559, 25118, 62795, 125590, 161221, 322442, 806105, 1612210, 3063199, 6126398, 15315995, 30631990, 106567081, 213134162, 532835405, 1065670810, 2024774539, 4049549078, 10123872695, 20247745390]

約数ペア:

[(1, 20247745390), (2, 10123872695), (5, 4049549078), (10, 2024774539), (19, 1065670810), (38, 532835405), (95, 213134162), (190, 106567081), (661, 30631990), (1322, 15315995), (3305, 6126398), (6610, 3063199), (12559, 1612210), (25118, 806105), (62795, 322442), (125590, 161221)]