20081328

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 55413120

約数和(自身を除く): 35331792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 227, 228, 291, 304, 388, 454, 456, 582, 681, 776, 908, 912, 1164, 1362, 1552, 1816, 1843, 2328, 2724, 3632, 3686, 4313, 4656, 5448, 5529, 7372, 8626, 10896, 11058, 12939, 14744, 17252, 22019, 22116, 25878, 29488, 34504, 44038, 44232, 51756, 66057, 69008, 88076, 88464, 103512, 132114, 176152, 207024, 264228, 352304, 418361, 528456, 836722, 1056912, 1255083, 1673444, 2510166, 3346888, 5020332, 6693776, 10040664, 20081328]

約数ペア:

[(1, 20081328), (2, 10040664), (3, 6693776), (4, 5020332), (6, 3346888), (8, 2510166), (12, 1673444), (16, 1255083), (19, 1056912), (24, 836722), (38, 528456), (48, 418361), (57, 352304), (76, 264228), (97, 207024), (114, 176152), (152, 132114), (194, 103512), (227, 88464), (228, 88076), (291, 69008), (304, 66057), (388, 51756), (454, 44232), (456, 44038), (582, 34504), (681, 29488), (776, 25878), (908, 22116), (912, 22019), (1164, 17252), (1362, 14744), (1552, 12939), (1816, 11058), (1843, 10896), (2328, 8626), (2724, 7372), (3632, 5529), (3686, 5448), (4313, 4656)]