20722890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5273}}^1$

素因数の和:5414

約数の個数: 32

約数和(自身を含む): 50124096

約数和(自身を除く): 29401206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5273, 10546, 15819, 26365, 31638, 52730, 79095, 158190, 690763, 1381526, 2072289, 3453815, 4144578, 6907630, 10361445, 20722890]

約数ペア:

[(1, 20722890), (2, 10361445), (3, 6907630), (5, 4144578), (6, 3453815), (10, 2072289), (15, 1381526), (30, 690763), (131, 158190), (262, 79095), (393, 52730), (655, 31638), (786, 26365), (1310, 15819), (1965, 10546), (3930, 5273)]