200023820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{61357}}^1$

素因数の和:61529

約数の個数: 24

約数和(自身を含む): 422633904

約数和(自身を除く): 222610084

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 61357, 122714, 245428, 306785, 613570, 1227140, 10001191, 20002382, 40004764, 50005955, 100011910, 200023820]

約数ペア:

[(1, 200023820), (2, 100011910), (4, 50005955), (5, 40004764), (10, 20002382), (20, 10001191), (163, 1227140), (326, 613570), (652, 306785), (815, 245428), (1630, 122714), (3260, 61357)]