20155770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3929}}^1$

素因数の和:3964

約数の個数: 64

約数和(自身を含む): 56592000

約数和(自身を除く): 36436230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 3929, 5130, 7858, 11787, 19645, 23574, 35361, 39290, 58935, 70722, 74651, 106083, 117870, 149302, 176805, 212166, 223953, 353610, 373255, 447906, 530415, 671859, 746510, 1060830, 1119765, 1343718, 2015577, 2239530, 3359295, 4031154, 6718590, 10077885, 20155770]

約数ペア:

[(1, 20155770), (2, 10077885), (3, 6718590), (5, 4031154), (6, 3359295), (9, 2239530), (10, 2015577), (15, 1343718), (18, 1119765), (19, 1060830), (27, 746510), (30, 671859), (38, 530415), (45, 447906), (54, 373255), (57, 353610), (90, 223953), (95, 212166), (114, 176805), (135, 149302), (171, 117870), (190, 106083), (270, 74651), (285, 70722), (342, 58935), (513, 39290), (570, 35361), (855, 23574), (1026, 19645), (1710, 11787), (2565, 7858), (3929, 5130)]