20530500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13687}}^1$

素因数の和:13709

約数の個数: 48

約数和(自身を含む): 59789184

約数和(自身を除く): 39258684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13687, 27374, 41061, 54748, 68435, 82122, 136870, 164244, 205305, 273740, 342175, 410610, 684350, 821220, 1026525, 1368700, 1710875, 2053050, 3421750, 4106100, 5132625, 6843500, 10265250, 20530500]

約数ペア:

[(1, 20530500), (2, 10265250), (3, 6843500), (4, 5132625), (5, 4106100), (6, 3421750), (10, 2053050), (12, 1710875), (15, 1368700), (20, 1026525), (25, 821220), (30, 684350), (50, 410610), (60, 342175), (75, 273740), (100, 205305), (125, 164244), (150, 136870), (250, 82122), (300, 68435), (375, 54748), (500, 41061), (750, 27374), (1500, 13687)]