20269950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7949}}^1$

素因数の和:7981

約数の個数: 48

約数和(自身を含む): 53233200

約数和(自身を除く): 32963250

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 7949, 15898, 23847, 39745, 47694, 79490, 119235, 135133, 198725, 238470, 270266, 397450, 405399, 596175, 675665, 810798, 1192350, 1351330, 2026995, 3378325, 4053990, 6756650, 10134975, 20269950]

約数ペア:

[(1, 20269950), (2, 10134975), (3, 6756650), (5, 4053990), (6, 3378325), (10, 2026995), (15, 1351330), (17, 1192350), (25, 810798), (30, 675665), (34, 596175), (50, 405399), (51, 397450), (75, 270266), (85, 238470), (102, 198725), (150, 135133), (170, 119235), (255, 79490), (425, 47694), (510, 39745), (850, 23847), (1275, 15898), (2550, 7949)]