20340180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5381}}^1$

素因数の和:5406

約数の個数: 96

約数和(自身を含む): 72334080

約数和(自身を除く): 51993900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5381, 10762, 16143, 21524, 26905, 32286, 37667, 48429, 53810, 64572, 75334, 80715, 96858, 107620, 113001, 145287, 150668, 161430, 188335, 193716, 226002, 242145, 290574, 322860, 339003, 376670, 452004, 484290, 565005, 581148, 678006, 726435, 753340, 968580, 1017009, 1130010, 1356012, 1452870, 1695015, 2034018, 2260020, 2905740, 3390030, 4068036, 5085045, 6780060, 10170090, 20340180]

約数ペア:

[(1, 20340180), (2, 10170090), (3, 6780060), (4, 5085045), (5, 4068036), (6, 3390030), (7, 2905740), (9, 2260020), (10, 2034018), (12, 1695015), (14, 1452870), (15, 1356012), (18, 1130010), (20, 1017009), (21, 968580), (27, 753340), (28, 726435), (30, 678006), (35, 581148), (36, 565005), (42, 484290), (45, 452004), (54, 376670), (60, 339003), (63, 322860), (70, 290574), (84, 242145), (90, 226002), (105, 193716), (108, 188335), (126, 161430), (135, 150668), (140, 145287), (180, 113001), (189, 107620), (210, 96858), (252, 80715), (270, 75334), (315, 64572), (378, 53810), (420, 48429), (540, 37667), (630, 32286), (756, 26905), (945, 21524), (1260, 16143), (1890, 10762), (3780, 5381)]