20778828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14551}}^1$

素因数の和:14582

約数の個数: 48

約数和(自身を含む): 58673664

約数和(自身を除く): 37894836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14551, 29102, 43653, 58204, 87306, 101857, 174612, 203714, 247367, 305571, 407428, 494734, 611142, 742101, 989468, 1222284, 1484202, 1731569, 2968404, 3463138, 5194707, 6926276, 10389414, 20778828]

約数ペア:

[(1, 20778828), (2, 10389414), (3, 6926276), (4, 5194707), (6, 3463138), (7, 2968404), (12, 1731569), (14, 1484202), (17, 1222284), (21, 989468), (28, 742101), (34, 611142), (42, 494734), (51, 407428), (68, 305571), (84, 247367), (102, 203714), (119, 174612), (204, 101857), (238, 87306), (357, 58204), (476, 43653), (714, 29102), (1428, 14551)]