20493420360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24396929}}^1$

素因数の和:24396950

約数の個数: 64

約数和(自身を含む): 70263158400

約数和(自身を除く): 49769738040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24396929, 48793858, 73190787, 97587716, 121984645, 146381574, 170778503, 195175432, 243969290, 292763148, 341557006, 365953935, 487938580, 512335509, 585526296, 683114012, 731907870, 853892515, 975877160, 1024671018, 1366228024, 1463815740, 1707785030, 2049342036, 2561677545, 2927631480, 3415570060, 4098684072, 5123355090, 6831140120, 10246710180, 20493420360]

約数ペア:

[(1, 20493420360), (2, 10246710180), (3, 6831140120), (4, 5123355090), (5, 4098684072), (6, 3415570060), (7, 2927631480), (8, 2561677545), (10, 2049342036), (12, 1707785030), (14, 1463815740), (15, 1366228024), (20, 1024671018), (21, 975877160), (24, 853892515), (28, 731907870), (30, 683114012), (35, 585526296), (40, 512335509), (42, 487938580), (56, 365953935), (60, 341557006), (70, 292763148), (84, 243969290), (105, 195175432), (120, 170778503), (140, 146381574), (168, 121984645), (210, 97587716), (280, 73190787), (420, 48793858), (840, 24396929)]