20194621900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{745189}}^1$

素因数の和:745474

約数の個数: 36

約数和(自身を含む): 43984094560

約数和(自身を除く): 23789472660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 2710, 5420, 6775, 13550, 27100, 745189, 1490378, 2980756, 3725945, 7451890, 14903780, 18629725, 37259450, 74518900, 201946219, 403892438, 807784876, 1009731095, 2019462190, 4038924380, 5048655475, 10097310950, 20194621900]

約数ペア:

[(1, 20194621900), (2, 10097310950), (4, 5048655475), (5, 4038924380), (10, 2019462190), (20, 1009731095), (25, 807784876), (50, 403892438), (100, 201946219), (271, 74518900), (542, 37259450), (1084, 18629725), (1355, 14903780), (2710, 7451890), (5420, 3725945), (6775, 2980756), (13550, 1490378), (27100, 745189)]