20958902783

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{15331}}^1$

素因数の和:15615

約数の個数: 32

約数和(自身を含む): 26252308992

約数和(自身を除く): 5293406209

約数列:

[1, 7, 13, 83, 91, 181, 581, 1079, 1267, 2353, 7553, 15023, 15331, 16471, 105161, 107317, 195299, 199303, 1272473, 1367093, 1395121, 2774911, 8907311, 16542149, 19424377, 36073843, 115795043, 230317613, 252516901, 1612223291, 2994128969, 20958902783]

約数ペア:

[(1, 20958902783), (7, 2994128969), (13, 1612223291), (83, 252516901), (91, 230317613), (181, 115795043), (581, 36073843), (1079, 19424377), (1267, 16542149), (2353, 8907311), (7553, 2774911), (15023, 1395121), (15331, 1367093), (16471, 1272473), (105161, 199303), (107317, 195299)]