20995800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4999}}^1$

素因数の和:5025

約数の個数: 96

約数和(自身を含む): 74400000

約数和(自身を除く): 53404200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4999, 9998, 14997, 19996, 24995, 29994, 34993, 39992, 49990, 59988, 69986, 74985, 99980, 104979, 119976, 124975, 139972, 149970, 174965, 199960, 209958, 249950, 279944, 299940, 349930, 374925, 419916, 499900, 524895, 599880, 699860, 749850, 839832, 874825, 999800, 1049790, 1399720, 1499700, 1749650, 2099580, 2624475, 2999400, 3499300, 4199160, 5248950, 6998600, 10497900, 20995800]

約数ペア:

[(1, 20995800), (2, 10497900), (3, 6998600), (4, 5248950), (5, 4199160), (6, 3499300), (7, 2999400), (8, 2624475), (10, 2099580), (12, 1749650), (14, 1499700), (15, 1399720), (20, 1049790), (21, 999800), (24, 874825), (25, 839832), (28, 749850), (30, 699860), (35, 599880), (40, 524895), (42, 499900), (50, 419916), (56, 374925), (60, 349930), (70, 299940), (75, 279944), (84, 249950), (100, 209958), (105, 199960), (120, 174965), (140, 149970), (150, 139972), (168, 124975), (175, 119976), (200, 104979), (210, 99980), (280, 74985), (300, 69986), (350, 59988), (420, 49990), (525, 39992), (600, 34993), (700, 29994), (840, 24995), (1050, 19996), (1400, 14997), (2100, 9998), (4200, 4999)]