20189104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3347}}^1$

素因数の和:3397

約数の個数: 40

約数和(自身を含む): 43590960

約数和(自身を除く): 23401856

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3347, 6032, 6694, 13388, 26776, 43511, 53552, 87022, 97063, 174044, 194126, 348088, 388252, 696176, 776504, 1261819, 1553008, 2523638, 5047276, 10094552, 20189104]

約数ペア:

[(1, 20189104), (2, 10094552), (4, 5047276), (8, 2523638), (13, 1553008), (16, 1261819), (26, 776504), (29, 696176), (52, 388252), (58, 348088), (104, 194126), (116, 174044), (208, 97063), (232, 87022), (377, 53552), (464, 43511), (754, 26776), (1508, 13388), (3016, 6694), (3347, 6032)]