20985210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77723}}^1$

素因数の和:77739

約数の個数: 32

約数和(自身を含む): 55961280

約数和(自身を除く): 34976070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77723, 155446, 233169, 388615, 466338, 699507, 777230, 1165845, 1399014, 2098521, 2331690, 3497535, 4197042, 6995070, 10492605, 20985210]

約数ペア:

[(1, 20985210), (2, 10492605), (3, 6995070), (5, 4197042), (6, 3497535), (9, 2331690), (10, 2098521), (15, 1399014), (18, 1165845), (27, 777230), (30, 699507), (45, 466338), (54, 388615), (90, 233169), (135, 155446), (270, 77723)]