20878662010

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1399}}^1\times {\mathrm{5807}}^1$

素因数の和:7470

約数の個数: 32

約数和(自身を含む): 37761292800

約数和(自身を除く): 16882630790

約数列:

[1, 2, 5, 10, 257, 514, 1285, 1399, 2570, 2798, 5807, 6995, 11614, 13990, 29035, 58070, 359543, 719086, 1492399, 1797715, 2984798, 3595430, 7461995, 8123993, 14923990, 16247986, 40619965, 81239930, 2087866201, 4175732402, 10439331005, 20878662010]

約数ペア:

[(1, 20878662010), (2, 10439331005), (5, 4175732402), (10, 2087866201), (257, 81239930), (514, 40619965), (1285, 16247986), (1399, 14923990), (2570, 8123993), (2798, 7461995), (5807, 3595430), (6995, 2984798), (11614, 1797715), (13990, 1492399), (29035, 719086), (58070, 359543)]