20698170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 52859520

約数和(自身を除く): 32161350

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 37, 58, 74, 87, 111, 145, 174, 185, 222, 290, 370, 435, 555, 643, 870, 1073, 1110, 1286, 1929, 2146, 3215, 3219, 3858, 5365, 6430, 6438, 9645, 10730, 16095, 18647, 19290, 23791, 32190, 37294, 47582, 55941, 71373, 93235, 111882, 118955, 142746, 186470, 237910, 279705, 356865, 559410, 689939, 713730, 1379878, 2069817, 3449695, 4139634, 6899390, 10349085, 20698170]

約数ペア:

[(1, 20698170), (2, 10349085), (3, 6899390), (5, 4139634), (6, 3449695), (10, 2069817), (15, 1379878), (29, 713730), (30, 689939), (37, 559410), (58, 356865), (74, 279705), (87, 237910), (111, 186470), (145, 142746), (174, 118955), (185, 111882), (222, 93235), (290, 71373), (370, 55941), (435, 47582), (555, 37294), (643, 32190), (870, 23791), (1073, 19290), (1110, 18647), (1286, 16095), (1929, 10730), (2146, 9645), (3215, 6438), (3219, 6430), (3858, 5365)]