20784414352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8737}}^1\times {\mathrm{11437}}^1$

素因数の和:20195

約数の個数: 40

約数和(自身を含む): 43376235896

約数和(自身を除く): 22591821544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8737, 11437, 17474, 22874, 34948, 45748, 69896, 91496, 113581, 139792, 148681, 182992, 227162, 297362, 454324, 594724, 908648, 1189448, 1817296, 2378896, 99925069, 199850138, 399700276, 799400552, 1299025897, 1598801104, 2598051794, 5196103588, 10392207176, 20784414352]

約数ペア:

[(1, 20784414352), (2, 10392207176), (4, 5196103588), (8, 2598051794), (13, 1598801104), (16, 1299025897), (26, 799400552), (52, 399700276), (104, 199850138), (208, 99925069), (8737, 2378896), (11437, 1817296), (17474, 1189448), (22874, 908648), (34948, 594724), (45748, 454324), (69896, 297362), (91496, 227162), (113581, 182992), (139792, 148681)]