11718420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{27901}}^1$

素因数の和:27920

約数の個数: 48

約数和(自身を含む): 37500288

約数和(自身を除く): 25781868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 27901, 55802, 83703, 111604, 139505, 167406, 195307, 279010, 334812, 390614, 418515, 558020, 585921, 781228, 837030, 976535, 1171842, 1674060, 1953070, 2343684, 2929605, 3906140, 5859210, 11718420]

約数ペア:

[(1, 11718420), (2, 5859210), (3, 3906140), (4, 2929605), (5, 2343684), (6, 1953070), (7, 1674060), (10, 1171842), (12, 976535), (14, 837030), (15, 781228), (20, 585921), (21, 558020), (28, 418515), (30, 390614), (35, 334812), (42, 279010), (60, 195307), (70, 167406), (84, 139505), (105, 111604), (140, 83703), (210, 55802), (420, 27901)]