20885280648

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6351971}}^1$

素因数の和:6352117

約数の個数: 32

約数和(自身を含む): 52594328160

約数和(自身を除く): 31709047512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6351971, 12703942, 19055913, 25407884, 38111826, 50815768, 76223652, 152447304, 870220027, 1740440054, 2610660081, 3480880108, 5221320162, 6961760216, 10442640324, 20885280648]

約数ペア:

[(1, 20885280648), (2, 10442640324), (3, 6961760216), (4, 5221320162), (6, 3480880108), (8, 2610660081), (12, 1740440054), (24, 870220027), (137, 152447304), (274, 76223652), (411, 50815768), (548, 38111826), (822, 25407884), (1096, 19055913), (1644, 12703942), (3288, 6351971)]