20054086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13814714

約数列:

[1, 2, 13, 26, 31, 62, 139, 179, 278, 358, 403, 806, 1807, 2327, 3614, 4309, 4654, 5549, 8618, 11098, 24881, 49762, 56017, 72137, 112034, 144274, 323453, 646906, 771311, 1542622, 10027043, 20054086]

約数ペア:

[(1, 20054086), (2, 10027043), (13, 1542622), (26, 771311), (31, 646906), (62, 323453), (139, 144274), (179, 112034), (278, 72137), (358, 56017), (403, 49762), (806, 24881), (1807, 11098), (2327, 8618), (3614, 5549), (4309, 4654)]