20654655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{859}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 37977600

約数和(自身を除く): 17322945

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 859, 1145, 1603, 2577, 3435, 4295, 4809, 6013, 8015, 12885, 18039, 24045, 30065, 90195, 196711, 590133, 983555, 1376977, 2950665, 4130931, 6884885, 20654655]

約数ペア:

[(1, 20654655), (3, 6884885), (5, 4130931), (7, 2950665), (15, 1376977), (21, 983555), (35, 590133), (105, 196711), (229, 90195), (687, 30065), (859, 24045), (1145, 18039), (1603, 12885), (2577, 8015), (3435, 6013), (4295, 4809)]