20492460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 64451520

約数和(自身を除く): 43959060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 137, 180, 270, 274, 277, 411, 540, 548, 554, 685, 822, 831, 1108, 1233, 1370, 1385, 1644, 1662, 2055, 2466, 2493, 2740, 2770, 3324, 3699, 4110, 4155, 4932, 4986, 5540, 6165, 7398, 7479, 8220, 8310, 9972, 12330, 12465, 14796, 14958, 16620, 18495, 24660, 24930, 29916, 36990, 37395, 37949, 49860, 73980, 74790, 75898, 113847, 149580, 151796, 189745, 227694, 341541, 379490, 455388, 569235, 683082, 758980, 1024623, 1138470, 1366164, 1707705, 2049246, 2276940, 3415410, 4098492, 5123115, 6830820, 10246230, 20492460]

約数ペア:

[(1, 20492460), (2, 10246230), (3, 6830820), (4, 5123115), (5, 4098492), (6, 3415410), (9, 2276940), (10, 2049246), (12, 1707705), (15, 1366164), (18, 1138470), (20, 1024623), (27, 758980), (30, 683082), (36, 569235), (45, 455388), (54, 379490), (60, 341541), (90, 227694), (108, 189745), (135, 151796), (137, 149580), (180, 113847), (270, 75898), (274, 74790), (277, 73980), (411, 49860), (540, 37949), (548, 37395), (554, 36990), (685, 29916), (822, 24930), (831, 24660), (1108, 18495), (1233, 16620), (1370, 14958), (1385, 14796), (1644, 12465), (1662, 12330), (2055, 9972), (2466, 8310), (2493, 8220), (2740, 7479), (2770, 7398), (3324, 6165), (3699, 5540), (4110, 4986), (4155, 4932)]