20313736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 40500000

約数和(自身を除く): 20186264

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 1249, 2033, 2498, 4066, 4996, 8132, 9992, 16264, 23731, 47462, 94924, 133643, 189848, 267286, 534572, 1069144, 2539217, 5078434, 10156868, 20313736]

約数ペア:

[(1, 20313736), (2, 10156868), (4, 5078434), (8, 2539217), (19, 1069144), (38, 534572), (76, 267286), (107, 189848), (152, 133643), (214, 94924), (428, 47462), (856, 23731), (1249, 16264), (2033, 9992), (2498, 8132), (4066, 4996)]