20824635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 36106560

約数和(自身を除く): 15281925

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 269, 397, 807, 1191, 1345, 1985, 3497, 4035, 5161, 5955, 10491, 15483, 17485, 25805, 52455, 77415, 106793, 320379, 533965, 1388309, 1601895, 4164927, 6941545, 20824635]

約数ペア:

[(1, 20824635), (3, 6941545), (5, 4164927), (13, 1601895), (15, 1388309), (39, 533965), (65, 320379), (195, 106793), (269, 77415), (397, 52455), (807, 25805), (1191, 17485), (1345, 15483), (1985, 10491), (3497, 5955), (4035, 5161)]