20164468671

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{823}}^1\times {\mathrm{12781}}^1$

素因数の和:13684

約数の個数: 32

約数和(自身を含む): 30333219840

約数和(自身を除く): 10168751169

約数列:

[1, 3, 9, 27, 71, 213, 639, 823, 1917, 2469, 7407, 12781, 22221, 38343, 58433, 115029, 175299, 345087, 525897, 907451, 1577691, 2722353, 8167059, 10518763, 24501177, 31556289, 94668867, 284006601, 746832173, 2240496519, 6721489557, 20164468671]

約数ペア:

[(1, 20164468671), (3, 6721489557), (9, 2240496519), (27, 746832173), (71, 284006601), (213, 94668867), (639, 31556289), (823, 24501177), (1917, 10518763), (2469, 8167059), (7407, 2722353), (12781, 1577691), (22221, 907451), (38343, 525897), (58433, 345087), (115029, 175299)]