20197638867

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1\times {\mathrm{4519}}^1$

素因数の和:5503

約数の個数: 32

約数和(自身を含む): 30925189120

約数和(自身を除く): 10727550253

約数列:

[1, 3, 7, 21, 331, 643, 993, 1929, 2317, 4501, 4519, 6951, 13503, 13557, 31633, 94899, 212833, 638499, 1489831, 1495789, 2905717, 4469493, 4487367, 8717151, 10470523, 20340019, 31411569, 61020057, 961792327, 2885376981, 6732546289, 20197638867]

約数ペア:

[(1, 20197638867), (3, 6732546289), (7, 2885376981), (21, 961792327), (331, 61020057), (643, 31411569), (993, 20340019), (1929, 10470523), (2317, 8717151), (4501, 4487367), (4519, 4469493), (6951, 2905717), (13503, 1495789), (13557, 1489831), (31633, 638499), (94899, 212833)]