20121542441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{134909}}^1$

素因数の和:135089

約数の個数: 32

約数和(自身を含む): 27197856000

約数和(自身を除く): 7076313559

約数列:

[1, 7, 11, 13, 77, 91, 143, 149, 1001, 1043, 1639, 1937, 11473, 13559, 21307, 134909, 149149, 944363, 1483999, 1753817, 10387993, 12276719, 19291987, 20101441, 135043909, 140710087, 221115851, 261318733, 1547810957, 1829231131, 2874506063, 20121542441]

約数ペア:

[(1, 20121542441), (7, 2874506063), (11, 1829231131), (13, 1547810957), (77, 261318733), (91, 221115851), (143, 140710087), (149, 135043909), (1001, 20101441), (1043, 19291987), (1639, 12276719), (1937, 10387993), (11473, 1753817), (13559, 1483999), (21307, 944363), (134909, 149149)]