20870472

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17747}}^1$

素因数の和:17770

約数の個数: 48

約数和(自身を含む): 60698160

約数和(自身を除く): 39827688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17747, 35494, 53241, 70988, 106482, 124229, 141976, 212964, 248458, 372687, 425928, 496916, 745374, 869603, 993832, 1490748, 1739206, 2608809, 2981496, 3478412, 5217618, 6956824, 10435236, 20870472]

約数ペア:

[(1, 20870472), (2, 10435236), (3, 6956824), (4, 5217618), (6, 3478412), (7, 2981496), (8, 2608809), (12, 1739206), (14, 1490748), (21, 993832), (24, 869603), (28, 745374), (42, 496916), (49, 425928), (56, 372687), (84, 248458), (98, 212964), (147, 141976), (168, 124229), (196, 106482), (294, 70988), (392, 53241), (588, 35494), (1176, 17747)]