20300580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3933

約数の個数: 72

約数和(自身を含む): 63718200

約数和(自身を除く): 43417620

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, 2610, 3889, 5220, 7778, 11667, 15556, 19445, 23334, 35001, 38890, 46668, 58335, 70002, 77780, 112781, 116670, 140004, 175005, 225562, 233340, 338343, 350010, 451124, 563905, 676686, 700020, 1015029, 1127810, 1353372, 1691715, 2030058, 2255620, 3383430, 4060116, 5075145, 6766860, 10150290, 20300580]

約数ペア:

[(1, 20300580), (2, 10150290), (3, 6766860), (4, 5075145), (5, 4060116), (6, 3383430), (9, 2255620), (10, 2030058), (12, 1691715), (15, 1353372), (18, 1127810), (20, 1015029), (29, 700020), (30, 676686), (36, 563905), (45, 451124), (58, 350010), (60, 338343), (87, 233340), (90, 225562), (116, 175005), (145, 140004), (174, 116670), (180, 112781), (261, 77780), (290, 70002), (348, 58335), (435, 46668), (522, 38890), (580, 35001), (870, 23334), (1044, 19445), (1305, 15556), (1740, 11667), (2610, 7778), (3889, 5220)]