20018928

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{24533}}^1$

素因数の和:24561

約数の個数: 40

約数和(自身を含む): 54759888

約数和(自身を除く): 34740960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 24533, 49066, 73599, 98132, 147198, 196264, 294396, 392528, 417061, 588792, 834122, 1177584, 1251183, 1668244, 2502366, 3336488, 5004732, 6672976, 10009464, 20018928]

約数ペア:

[(1, 20018928), (2, 10009464), (3, 6672976), (4, 5004732), (6, 3336488), (8, 2502366), (12, 1668244), (16, 1251183), (17, 1177584), (24, 834122), (34, 588792), (48, 417061), (51, 392528), (68, 294396), (102, 196264), (136, 147198), (204, 98132), (272, 73599), (408, 49066), (816, 24533)]