20331896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 41383440

約数和(自身を除く): 21051544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1427, 1781, 2854, 3562, 5708, 7124, 11416, 14248, 18551, 37102, 74204, 148408, 195499, 390998, 781996, 1563992, 2541487, 5082974, 10165948, 20331896]

約数ペア:

[(1, 20331896), (2, 10165948), (4, 5082974), (8, 2541487), (13, 1563992), (26, 781996), (52, 390998), (104, 195499), (137, 148408), (274, 74204), (548, 37102), (1096, 18551), (1427, 14248), (1781, 11416), (2854, 7124), (3562, 5708)]