20836278

素因数分解:

$2^1\times 3^6\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 56

約数和(自身を含む): 48476736

約数和(自身を除く): 27640458

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 243, 279, 461, 486, 558, 729, 837, 922, 1383, 1458, 1674, 2511, 2766, 4149, 5022, 7533, 8298, 12447, 14291, 15066, 22599, 24894, 28582, 37341, 42873, 45198, 74682, 85746, 112023, 128619, 224046, 257238, 336069, 385857, 672138, 771714, 1157571, 2315142, 3472713, 6945426, 10418139, 20836278]

約数ペア:

[(1, 20836278), (2, 10418139), (3, 6945426), (6, 3472713), (9, 2315142), (18, 1157571), (27, 771714), (31, 672138), (54, 385857), (62, 336069), (81, 257238), (93, 224046), (162, 128619), (186, 112023), (243, 85746), (279, 74682), (461, 45198), (486, 42873), (558, 37341), (729, 28582), (837, 24894), (922, 22599), (1383, 15066), (1458, 14291), (1674, 12447), (2511, 8298), (2766, 7533), (4149, 5022)]