20451746

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 36609408

約数和(自身を除く): 16157662

約数列:

[1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 602, 641, 742, 1282, 2279, 4487, 4558, 8974, 15953, 27563, 31906, 33973, 55126, 67946, 192941, 237811, 385882, 475622, 1460839, 2921678, 10225873, 20451746]

約数ペア:

[(1, 20451746), (2, 10225873), (7, 2921678), (14, 1460839), (43, 475622), (53, 385882), (86, 237811), (106, 192941), (301, 67946), (371, 55126), (602, 33973), (641, 31906), (742, 27563), (1282, 15953), (2279, 8974), (4487, 4558)]