20999544

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21341}}^1$

素因数の和:21391

約数の個数: 32

約数和(自身を含む): 53781840

約数和(自身を除く): 32782296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21341, 42682, 64023, 85364, 128046, 170728, 256092, 512184, 874981, 1749962, 2624943, 3499924, 5249886, 6999848, 10499772, 20999544]

約数ペア:

[(1, 20999544), (2, 10499772), (3, 6999848), (4, 5249886), (6, 3499924), (8, 2624943), (12, 1749962), (24, 874981), (41, 512184), (82, 256092), (123, 170728), (164, 128046), (246, 85364), (328, 64023), (492, 42682), (984, 21341)]