20748684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8273}}^1$

素因数の和:8310

約数の個数: 48

約数和(自身を含む): 55601280

約数和(自身を除く): 34852596

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 8273, 16546, 24819, 33092, 49638, 91003, 99276, 157187, 182006, 273009, 314374, 364012, 471561, 546018, 628748, 943122, 1092036, 1729057, 1886244, 3458114, 5187171, 6916228, 10374342, 20748684]

約数ペア:

[(1, 20748684), (2, 10374342), (3, 6916228), (4, 5187171), (6, 3458114), (11, 1886244), (12, 1729057), (19, 1092036), (22, 943122), (33, 628748), (38, 546018), (44, 471561), (57, 364012), (66, 314374), (76, 273009), (114, 182006), (132, 157187), (209, 99276), (228, 91003), (418, 49638), (627, 33092), (836, 24819), (1254, 16546), (2508, 8273)]