20090835

素因数分解:

$3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 36416160

約数和(自身を除く): 16325325

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 339, 405, 439, 565, 1017, 1317, 1695, 2195, 3051, 3951, 5085, 6585, 9153, 11853, 15255, 19755, 35559, 45765, 49607, 59265, 148821, 177795, 248035, 446463, 744105, 1339389, 2232315, 4018167, 6696945, 20090835]

約数ペア:

[(1, 20090835), (3, 6696945), (5, 4018167), (9, 2232315), (15, 1339389), (27, 744105), (45, 446463), (81, 248035), (113, 177795), (135, 148821), (339, 59265), (405, 49607), (439, 45765), (565, 35559), (1017, 19755), (1317, 15255), (1695, 11853), (2195, 9153), (3051, 6585), (3951, 5085)]