20399364

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 55281408

約数和(自身を除く): 34882044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 677, 837, 972, 1116, 1354, 1674, 2031, 2511, 2708, 3348, 4062, 5022, 6093, 7533, 8124, 10044, 12186, 15066, 18279, 20987, 24372, 30132, 36558, 41974, 54837, 62961, 73116, 83948, 109674, 125922, 164511, 188883, 219348, 251844, 329022, 377766, 566649, 658044, 755532, 1133298, 1699947, 2266596, 3399894, 5099841, 6799788, 10199682, 20399364]

約数ペア:

[(1, 20399364), (2, 10199682), (3, 6799788), (4, 5099841), (6, 3399894), (9, 2266596), (12, 1699947), (18, 1133298), (27, 755532), (31, 658044), (36, 566649), (54, 377766), (62, 329022), (81, 251844), (93, 219348), (108, 188883), (124, 164511), (162, 125922), (186, 109674), (243, 83948), (279, 73116), (324, 62961), (372, 54837), (486, 41974), (558, 36558), (677, 30132), (837, 24372), (972, 20987), (1116, 18279), (1354, 15066), (1674, 12186), (2031, 10044), (2511, 8124), (2708, 7533), (3348, 6093), (4062, 5022)]