20871300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 62496000

約数和(自身を除く): 41624700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2399, 2900, 4350, 4798, 7197, 8700, 9596, 11995, 14394, 23990, 28788, 35985, 47980, 59975, 69571, 71970, 119950, 139142, 143940, 179925, 208713, 239900, 278284, 347855, 359850, 417426, 695710, 719700, 834852, 1043565, 1391420, 1739275, 2087130, 3478550, 4174260, 5217825, 6957100, 10435650, 20871300]

約数ペア:

[(1, 20871300), (2, 10435650), (3, 6957100), (4, 5217825), (5, 4174260), (6, 3478550), (10, 2087130), (12, 1739275), (15, 1391420), (20, 1043565), (25, 834852), (29, 719700), (30, 695710), (50, 417426), (58, 359850), (60, 347855), (75, 278284), (87, 239900), (100, 208713), (116, 179925), (145, 143940), (150, 139142), (174, 119950), (290, 71970), (300, 69571), (348, 59975), (435, 47980), (580, 35985), (725, 28788), (870, 23990), (1450, 14394), (1740, 11995), (2175, 9596), (2399, 8700), (2900, 7197), (4350, 4798)]