20441025

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2753}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 40979520

約数和(自身を除く): 20538495

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2753, 7425, 8259, 13765, 24777, 30283, 41295, 68825, 74331, 90849, 123885, 151415, 206475, 272547, 371655, 454245, 619425, 757075, 817641, 1362735, 1858275, 2271225, 4088205, 6813675, 20441025]

約数ペア:

[(1, 20441025), (3, 6813675), (5, 4088205), (9, 2271225), (11, 1858275), (15, 1362735), (25, 817641), (27, 757075), (33, 619425), (45, 454245), (55, 371655), (75, 272547), (99, 206475), (135, 151415), (165, 123885), (225, 90849), (275, 74331), (297, 68825), (495, 41295), (675, 30283), (825, 24777), (1485, 13765), (2475, 8259), (2753, 7425)]