20361957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 34105344

約数和(自身を除く): 13743387

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 487, 543, 1267, 1461, 1991, 3409, 3801, 5357, 5973, 10227, 13937, 16071, 37499, 41811, 88147, 112497, 264441, 617029, 969617, 1851087, 2908851, 6787319, 20361957]

約数ペア:

[(1, 20361957), (3, 6787319), (7, 2908851), (11, 1851087), (21, 969617), (33, 617029), (77, 264441), (181, 112497), (231, 88147), (487, 41811), (543, 37499), (1267, 16071), (1461, 13937), (1991, 10227), (3409, 5973), (3801, 5357)]