20651784

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{45289}}^1$

素因数の和:45317

約数の個数: 32

約数和(自身を含む): 54348000

約数和(自身を除く): 33696216

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 45289, 90578, 135867, 181156, 271734, 362312, 543468, 860491, 1086936, 1720982, 2581473, 3441964, 5162946, 6883928, 10325892, 20651784]

約数ペア:

[(1, 20651784), (2, 10325892), (3, 6883928), (4, 5162946), (6, 3441964), (8, 2581473), (12, 1720982), (19, 1086936), (24, 860491), (38, 543468), (57, 362312), (76, 271734), (114, 181156), (152, 135867), (228, 90578), (456, 45289)]