20485602

素因数分解:

$2^1\times 3^3\times {\mathrm{349}}^1\times {\mathrm{1087}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 45696000

約数和(自身を除く): 25210398

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349, 698, 1047, 1087, 2094, 2174, 3141, 3261, 6282, 6522, 9423, 9783, 18846, 19566, 29349, 58698, 379363, 758726, 1138089, 2276178, 3414267, 6828534, 10242801, 20485602]

約数ペア:

[(1, 20485602), (2, 10242801), (3, 6828534), (6, 3414267), (9, 2276178), (18, 1138089), (27, 758726), (54, 379363), (349, 58698), (698, 29349), (1047, 19566), (1087, 18846), (2094, 9783), (2174, 9423), (3141, 6522), (3261, 6282)]