20854410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 53644032

約数和(自身を除く): 32789622

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 103, 170, 206, 255, 309, 397, 510, 515, 618, 794, 1030, 1191, 1545, 1751, 1985, 2382, 3090, 3502, 3970, 5253, 5955, 6749, 8755, 10506, 11910, 13498, 17510, 20247, 26265, 33745, 40494, 40891, 52530, 67490, 81782, 101235, 122673, 202470, 204455, 245346, 408910, 613365, 695147, 1226730, 1390294, 2085441, 3475735, 4170882, 6951470, 10427205, 20854410]

約数ペア:

[(1, 20854410), (2, 10427205), (3, 6951470), (5, 4170882), (6, 3475735), (10, 2085441), (15, 1390294), (17, 1226730), (30, 695147), (34, 613365), (51, 408910), (85, 245346), (102, 204455), (103, 202470), (170, 122673), (206, 101235), (255, 81782), (309, 67490), (397, 52530), (510, 40891), (515, 40494), (618, 33745), (794, 26265), (1030, 20247), (1191, 17510), (1545, 13498), (1751, 11910), (1985, 10506), (2382, 8755), (3090, 6749), (3502, 5955), (3970, 5253)]