201984220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325781}}^1$

素因数の和:325821

約数の個数: 24

約数和(自身を含む): 437851008

約数和(自身を除く): 235866788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325781, 651562, 1303124, 1628905, 3257810, 6515620, 10099211, 20198422, 40396844, 50496055, 100992110, 201984220]

約数ペア:

[(1, 201984220), (2, 100992110), (4, 50496055), (5, 40396844), (10, 20198422), (20, 10099211), (31, 6515620), (62, 3257810), (124, 1628905), (155, 1303124), (310, 651562), (620, 325781)]