20129410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 21601790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2099, 4198, 4795, 9590, 10495, 14693, 20990, 29386, 73465, 146930, 287563, 575126, 1437815, 2012941, 2875630, 4025882, 10064705, 20129410]

約数ペア:

[(1, 20129410), (2, 10064705), (5, 4025882), (7, 2875630), (10, 2012941), (14, 1437815), (35, 575126), (70, 287563), (137, 146930), (274, 73465), (685, 29386), (959, 20990), (1370, 14693), (1918, 10495), (2099, 9590), (4198, 4795)]