20172556701

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1\times {\mathrm{2741}}^1$

素因数の和:3778

約数の個数: 48

約数和(自身を含む): 32235390720

約数和(自身を除く): 12062834019

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 941, 2607, 2741, 2823, 7821, 8223, 8469, 10351, 24669, 30151, 31053, 74339, 90453, 93159, 216539, 223017, 271359, 649617, 669051, 817729, 1948851, 2381929, 2453187, 2579281, 7145787, 7359561, 7737843, 21437361, 23213529, 28372091, 85116273, 203763199, 255348819, 611289597, 1833868791, 2241395189, 6724185567, 20172556701]

約数ペア:

[(1, 20172556701), (3, 6724185567), (9, 2241395189), (11, 1833868791), (33, 611289597), (79, 255348819), (99, 203763199), (237, 85116273), (711, 28372091), (869, 23213529), (941, 21437361), (2607, 7737843), (2741, 7359561), (2823, 7145787), (7821, 2579281), (8223, 2453187), (8469, 2381929), (10351, 1948851), (24669, 817729), (30151, 669051), (31053, 649617), (74339, 271359), (90453, 223017), (93159, 216539)]