20866140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2308

約数の個数: 96

約数和(自身を含む): 68765760

約数和(自身を除く): 47899620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2273, 2295, 3060, 4546, 4590, 6819, 9092, 9180, 11365, 13638, 20457, 22730, 27276, 34095, 38641, 40914, 45460, 61371, 68190, 77282, 81828, 102285, 115923, 122742, 136380, 154564, 193205, 204570, 231846, 245484, 306855, 347769, 386410, 409140, 463692, 579615, 613710, 695538, 772820, 1043307, 1159230, 1227420, 1391076, 1738845, 2086614, 2318460, 3477690, 4173228, 5216535, 6955380, 10433070, 20866140]

約数ペア:

[(1, 20866140), (2, 10433070), (3, 6955380), (4, 5216535), (5, 4173228), (6, 3477690), (9, 2318460), (10, 2086614), (12, 1738845), (15, 1391076), (17, 1227420), (18, 1159230), (20, 1043307), (27, 772820), (30, 695538), (34, 613710), (36, 579615), (45, 463692), (51, 409140), (54, 386410), (60, 347769), (68, 306855), (85, 245484), (90, 231846), (102, 204570), (108, 193205), (135, 154564), (153, 136380), (170, 122742), (180, 115923), (204, 102285), (255, 81828), (270, 77282), (306, 68190), (340, 61371), (459, 45460), (510, 40914), (540, 38641), (612, 34095), (765, 27276), (918, 22730), (1020, 20457), (1530, 13638), (1836, 11365), (2273, 9180), (2295, 9092), (3060, 6819), (4546, 4590)]