20587170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 53778816

約数和(自身を除く): 33191646

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 370, 510, 555, 629, 1091, 1110, 1258, 1887, 2182, 3145, 3273, 3774, 5455, 6290, 6546, 9435, 10910, 16365, 18547, 18870, 32730, 37094, 40367, 55641, 80734, 92735, 111282, 121101, 185470, 201835, 242202, 278205, 403670, 556410, 605505, 686239, 1211010, 1372478, 2058717, 3431195, 4117434, 6862390, 10293585, 20587170]

約数ペア:

[(1, 20587170), (2, 10293585), (3, 6862390), (5, 4117434), (6, 3431195), (10, 2058717), (15, 1372478), (17, 1211010), (30, 686239), (34, 605505), (37, 556410), (51, 403670), (74, 278205), (85, 242202), (102, 201835), (111, 185470), (170, 121101), (185, 111282), (222, 92735), (255, 80734), (370, 55641), (510, 40367), (555, 37094), (629, 32730), (1091, 18870), (1110, 18547), (1258, 16365), (1887, 10910), (2182, 9435), (3145, 6546), (3273, 6290), (3774, 5455)]