20087470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19103570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 809, 955, 1618, 1910, 2483, 4045, 4966, 8090, 10517, 12415, 21034, 24830, 52585, 105170, 154519, 309038, 772595, 1545190, 2008747, 4017494, 10043735, 20087470]

約数ペア:

[(1, 20087470), (2, 10043735), (5, 4017494), (10, 2008747), (13, 1545190), (26, 772595), (65, 309038), (130, 154519), (191, 105170), (382, 52585), (809, 24830), (955, 21034), (1618, 12415), (1910, 10517), (2483, 8090), (4045, 4966)]