20163013875

素因数分解:

$3^2\times 5^3\times {\mathrm{599}}^1\times {\mathrm{29921}}^1$

素因数の和:30541

約数の個数: 48

約数和(自身を含む): 36409089600

約数和(自身を除く): 16246075725

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 599, 1125, 1797, 2995, 5391, 8985, 14975, 26955, 29921, 44925, 74875, 89763, 134775, 149605, 224625, 269289, 448815, 673875, 748025, 1346445, 2244075, 3740125, 6732225, 11220375, 17922679, 33661125, 53768037, 89613395, 161304111, 268840185, 448066975, 806520555, 1344200925, 2240334875, 4032602775, 6721004625, 20163013875]

約数ペア:

[(1, 20163013875), (3, 6721004625), (5, 4032602775), (9, 2240334875), (15, 1344200925), (25, 806520555), (45, 448066975), (75, 268840185), (125, 161304111), (225, 89613395), (375, 53768037), (599, 33661125), (1125, 17922679), (1797, 11220375), (2995, 6732225), (5391, 3740125), (8985, 2244075), (14975, 1346445), (26955, 748025), (29921, 673875), (44925, 448815), (74875, 269289), (89763, 224625), (134775, 149605)]