20275458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 49870080

約数和(自身を除く): 29594622

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 73, 102, 119, 146, 219, 238, 357, 389, 438, 511, 714, 778, 1022, 1167, 1241, 1533, 2334, 2482, 2723, 3066, 3723, 5446, 6613, 7446, 8169, 8687, 13226, 16338, 17374, 19839, 26061, 28397, 39678, 46291, 52122, 56794, 85191, 92582, 138873, 170382, 198779, 277746, 397558, 482749, 596337, 965498, 1192674, 1448247, 2896494, 3379243, 6758486, 10137729, 20275458]

約数ペア:

[(1, 20275458), (2, 10137729), (3, 6758486), (6, 3379243), (7, 2896494), (14, 1448247), (17, 1192674), (21, 965498), (34, 596337), (42, 482749), (51, 397558), (73, 277746), (102, 198779), (119, 170382), (146, 138873), (219, 92582), (238, 85191), (357, 56794), (389, 52122), (438, 46291), (511, 39678), (714, 28397), (778, 26061), (1022, 19839), (1167, 17374), (1241, 16338), (1533, 13226), (2334, 8687), (2482, 8169), (2723, 7446), (3066, 6613), (3723, 5446)]