20366988100

素因数分解:

$2^2\times 5^2\times {\mathrm{659}}^1\times {\mathrm{309059}}^1$

素因数の和:309732

約数の個数: 36

約数和(自身を含む): 44263573200

約数和(自身を除く): 23896585100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 659, 1318, 2636, 3295, 6590, 13180, 16475, 32950, 65900, 309059, 618118, 1236236, 1545295, 3090590, 6181180, 7726475, 15452950, 30905900, 203669881, 407339762, 814679524, 1018349405, 2036698810, 4073397620, 5091747025, 10183494050, 20366988100]

約数ペア:

[(1, 20366988100), (2, 10183494050), (4, 5091747025), (5, 4073397620), (10, 2036698810), (20, 1018349405), (25, 814679524), (50, 407339762), (100, 203669881), (659, 30905900), (1318, 15452950), (2636, 7726475), (3295, 6181180), (6590, 3090590), (13180, 1545295), (16475, 1236236), (32950, 618118), (65900, 309059)]