20013675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 38247552

約数和(自身を除く): 18233877

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1427, 2805, 4281, 4675, 7135, 14025, 15697, 21405, 24259, 35675, 47091, 72777, 78485, 107025, 121295, 235455, 266849, 363885, 392425, 606475, 800547, 1177275, 1334245, 1819425, 4002735, 6671225, 20013675]

約数ペア:

[(1, 20013675), (3, 6671225), (5, 4002735), (11, 1819425), (15, 1334245), (17, 1177275), (25, 800547), (33, 606475), (51, 392425), (55, 363885), (75, 266849), (85, 235455), (165, 121295), (187, 107025), (255, 78485), (275, 72777), (425, 47091), (561, 35675), (825, 24259), (935, 21405), (1275, 15697), (1427, 14025), (2805, 7135), (4281, 4675)]