20356650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 59460480

約数和(自身を除く): 39103830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 306, 425, 450, 459, 510, 675, 765, 850, 887, 918, 1275, 1350, 1530, 1774, 2295, 2550, 2661, 3825, 4435, 4590, 5322, 7650, 7983, 8870, 11475, 13305, 15079, 15966, 22175, 22950, 23949, 26610, 30158, 39915, 44350, 45237, 47898, 66525, 75395, 79830, 90474, 119745, 133050, 135711, 150790, 199575, 226185, 239490, 271422, 376975, 399150, 407133, 452370, 598725, 678555, 753950, 814266, 1130925, 1197450, 1357110, 2035665, 2261850, 3392775, 4071330, 6785550, 10178325, 20356650]

約数ペア:

[(1, 20356650), (2, 10178325), (3, 6785550), (5, 4071330), (6, 3392775), (9, 2261850), (10, 2035665), (15, 1357110), (17, 1197450), (18, 1130925), (25, 814266), (27, 753950), (30, 678555), (34, 598725), (45, 452370), (50, 407133), (51, 399150), (54, 376975), (75, 271422), (85, 239490), (90, 226185), (102, 199575), (135, 150790), (150, 135711), (153, 133050), (170, 119745), (225, 90474), (255, 79830), (270, 75395), (306, 66525), (425, 47898), (450, 45237), (459, 44350), (510, 39915), (675, 30158), (765, 26610), (850, 23949), (887, 22950), (918, 22175), (1275, 15966), (1350, 15079), (1530, 13305), (1774, 11475), (2295, 8870), (2550, 7983), (2661, 7650), (3825, 5322), (4435, 4590)]