20011590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 53853120

約数和(自身を除く): 33841530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 541, 685, 822, 1082, 1233, 1370, 1623, 2055, 2466, 2705, 3246, 3699, 4110, 4869, 5410, 6165, 7398, 8115, 9738, 12330, 14607, 16230, 18495, 24345, 29214, 36990, 48690, 73035, 74117, 146070, 148234, 222351, 370585, 444702, 667053, 741170, 1111755, 1334106, 2001159, 2223510, 3335265, 4002318, 6670530, 10005795, 20011590]

約数ペア:

[(1, 20011590), (2, 10005795), (3, 6670530), (5, 4002318), (6, 3335265), (9, 2223510), (10, 2001159), (15, 1334106), (18, 1111755), (27, 741170), (30, 667053), (45, 444702), (54, 370585), (90, 222351), (135, 148234), (137, 146070), (270, 74117), (274, 73035), (411, 48690), (541, 36990), (685, 29214), (822, 24345), (1082, 18495), (1233, 16230), (1370, 14607), (1623, 12330), (2055, 9738), (2466, 8115), (2705, 7398), (3246, 6165), (3699, 5410), (4110, 4869)]