20449416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65543}}^1$

素因数の和:65565

約数の個数: 32

約数和(自身を含む): 55056960

約数和(自身を除く): 34607544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65543, 131086, 196629, 262172, 393258, 524344, 786516, 852059, 1573032, 1704118, 2556177, 3408236, 5112354, 6816472, 10224708, 20449416]

約数ペア:

[(1, 20449416), (2, 10224708), (3, 6816472), (4, 5112354), (6, 3408236), (8, 2556177), (12, 1704118), (13, 1573032), (24, 852059), (26, 786516), (39, 524344), (52, 393258), (78, 262172), (104, 196629), (156, 131086), (312, 65543)]