20815350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 52020480

約数和(自身を除く): 31205130

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 151, 302, 453, 755, 906, 919, 1510, 1838, 2265, 2757, 3775, 4530, 4595, 5514, 7550, 9190, 11325, 13785, 22650, 22975, 27570, 45950, 68925, 137850, 138769, 277538, 416307, 693845, 832614, 1387690, 2081535, 3469225, 4163070, 6938450, 10407675, 20815350]

約数ペア:

[(1, 20815350), (2, 10407675), (3, 6938450), (5, 4163070), (6, 3469225), (10, 2081535), (15, 1387690), (25, 832614), (30, 693845), (50, 416307), (75, 277538), (150, 138769), (151, 137850), (302, 68925), (453, 45950), (755, 27570), (906, 22975), (919, 22650), (1510, 13785), (1838, 11325), (2265, 9190), (2757, 7550), (3775, 5514), (4530, 4595)]