20172620140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1\times {\mathrm{24989}}^1$

素因数の和:25402

約数の個数: 48

約数和(自身を含む): 42789277440

約数和(自身を除く): 22616657300

約数列:

[1, 2, 4, 5, 10, 20, 181, 223, 362, 446, 724, 892, 905, 1115, 1810, 2230, 3620, 4460, 24989, 40363, 49978, 80726, 99956, 124945, 161452, 201815, 249890, 403630, 499780, 807260, 4523009, 5572547, 9046018, 11145094, 18092036, 22290188, 22615045, 27862735, 45230090, 55725470, 90460180, 111450940, 1008631007, 2017262014, 4034524028, 5043155035, 10086310070, 20172620140]

約数ペア:

[(1, 20172620140), (2, 10086310070), (4, 5043155035), (5, 4034524028), (10, 2017262014), (20, 1008631007), (181, 111450940), (223, 90460180), (362, 55725470), (446, 45230090), (724, 27862735), (892, 22615045), (905, 22290188), (1115, 18092036), (1810, 11145094), (2230, 9046018), (3620, 5572547), (4460, 4523009), (24989, 807260), (40363, 499780), (49978, 403630), (80726, 249890), (99956, 201815), (124945, 161452)]