20679610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 24317510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 167, 203, 290, 305, 334, 406, 427, 610, 835, 854, 1015, 1169, 1670, 1769, 2030, 2135, 2338, 3538, 4270, 4843, 5845, 8845, 9686, 10187, 11690, 12383, 17690, 20374, 24215, 24766, 33901, 48430, 50935, 61915, 67802, 71309, 101870, 123830, 142618, 169505, 295423, 339010, 356545, 590846, 713090, 1477115, 2067961, 2954230, 4135922, 10339805, 20679610]

約数ペア:

[(1, 20679610), (2, 10339805), (5, 4135922), (7, 2954230), (10, 2067961), (14, 1477115), (29, 713090), (35, 590846), (58, 356545), (61, 339010), (70, 295423), (122, 169505), (145, 142618), (167, 123830), (203, 101870), (290, 71309), (305, 67802), (334, 61915), (406, 50935), (427, 48430), (610, 33901), (835, 24766), (854, 24215), (1015, 20374), (1169, 17690), (1670, 12383), (1769, 11690), (2030, 10187), (2135, 9686), (2338, 8845), (3538, 5845), (4270, 4843)]