20291237760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10568353}}^1$

素因数の和:10568375

約数の個数: 64

約数和(自身を含む): 64678326480

約数和(自身を除く): 44387088720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10568353, 21136706, 31705059, 42273412, 52841765, 63410118, 84546824, 105683530, 126820236, 158525295, 169093648, 211367060, 253640472, 317050590, 338187296, 422734120, 507280944, 634101180, 676374592, 845468240, 1014561888, 1268202360, 1352749184, 1690936480, 2029123776, 2536404720, 3381872960, 4058247552, 5072809440, 6763745920, 10145618880, 20291237760]

約数ペア:

[(1, 20291237760), (2, 10145618880), (3, 6763745920), (4, 5072809440), (5, 4058247552), (6, 3381872960), (8, 2536404720), (10, 2029123776), (12, 1690936480), (15, 1352749184), (16, 1268202360), (20, 1014561888), (24, 845468240), (30, 676374592), (32, 634101180), (40, 507280944), (48, 422734120), (60, 338187296), (64, 317050590), (80, 253640472), (96, 211367060), (120, 169093648), (128, 158525295), (160, 126820236), (192, 105683530), (240, 84546824), (320, 63410118), (384, 52841765), (480, 42273412), (640, 31705059), (960, 21136706), (1920, 10568353)]