20888450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 42827616

約数和(自身を除く): 21939166

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 163, 233, 275, 326, 466, 550, 815, 1165, 1630, 1793, 2330, 2563, 3586, 4075, 5126, 5825, 8150, 8965, 11650, 12815, 17930, 25630, 37979, 44825, 64075, 75958, 89650, 128150, 189895, 379790, 417769, 835538, 949475, 1898950, 2088845, 4177690, 10444225, 20888450]

約数ペア:

[(1, 20888450), (2, 10444225), (5, 4177690), (10, 2088845), (11, 1898950), (22, 949475), (25, 835538), (50, 417769), (55, 379790), (110, 189895), (163, 128150), (233, 89650), (275, 75958), (326, 64075), (466, 44825), (550, 37979), (815, 25630), (1165, 17930), (1630, 12815), (1793, 11650), (2330, 8965), (2563, 8150), (3586, 5825), (4075, 5126)]