20360475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5323}}^1$

素因数の和:5356

約数の個数: 36

約数和(自身を含む): 38620296

約数和(自身を除く): 18259821

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5323, 15969, 26615, 47907, 79845, 90491, 133075, 239535, 271473, 399225, 452455, 814419, 1197675, 1357365, 2262275, 4072095, 6786825, 20360475]

約数ペア:

[(1, 20360475), (3, 6786825), (5, 4072095), (9, 2262275), (15, 1357365), (17, 1197675), (25, 814419), (45, 452455), (51, 399225), (75, 271473), (85, 239535), (153, 133075), (225, 90491), (255, 79845), (425, 47907), (765, 26615), (1275, 15969), (3825, 5323)]