20213290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 18251990

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1483, 2726, 2966, 6815, 7415, 13630, 14830, 43007, 69701, 86014, 139402, 215035, 348505, 430070, 697010, 2021329, 4042658, 10106645, 20213290]

約数ペア:

[(1, 20213290), (2, 10106645), (5, 4042658), (10, 2021329), (29, 697010), (47, 430070), (58, 348505), (94, 215035), (145, 139402), (235, 86014), (290, 69701), (470, 43007), (1363, 14830), (1483, 13630), (2726, 7415), (2966, 6815)]