12220020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2341}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 38361960

約数和(自身を除く): 26141940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2341, 2610, 4682, 5220, 7023, 9364, 11705, 14046, 21069, 23410, 28092, 35115, 42138, 46820, 67889, 70230, 84276, 105345, 135778, 140460, 203667, 210690, 271556, 339445, 407334, 421380, 611001, 678890, 814668, 1018335, 1222002, 1357780, 2036670, 2444004, 3055005, 4073340, 6110010, 12220020]

約数ペア:

[(1, 12220020), (2, 6110010), (3, 4073340), (4, 3055005), (5, 2444004), (6, 2036670), (9, 1357780), (10, 1222002), (12, 1018335), (15, 814668), (18, 678890), (20, 611001), (29, 421380), (30, 407334), (36, 339445), (45, 271556), (58, 210690), (60, 203667), (87, 140460), (90, 135778), (116, 105345), (145, 84276), (174, 70230), (180, 67889), (261, 46820), (290, 42138), (348, 35115), (435, 28092), (522, 23410), (580, 21069), (870, 14046), (1044, 11705), (1305, 9364), (1740, 7023), (2341, 5220), (2610, 4682)]