20454450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7177}}^1$

素因数の和:7211

約数の個数: 48

約数和(自身を含む): 53404320

約数和(自身を除く): 32949870

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7177, 14354, 21531, 35885, 43062, 71770, 107655, 136363, 179425, 215310, 272726, 358850, 409089, 538275, 681815, 818178, 1076550, 1363630, 2045445, 3409075, 4090890, 6818150, 10227225, 20454450]

約数ペア:

[(1, 20454450), (2, 10227225), (3, 6818150), (5, 4090890), (6, 3409075), (10, 2045445), (15, 1363630), (19, 1076550), (25, 818178), (30, 681815), (38, 538275), (50, 409089), (57, 358850), (75, 272726), (95, 215310), (114, 179425), (150, 136363), (190, 107655), (285, 71770), (475, 43062), (570, 35885), (950, 21531), (1425, 14354), (2850, 7177)]