20784570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22349}}^1$

素因数の和:22390

約数の個数: 32

約数和(自身を含む): 51494400

約数和(自身を除く): 30709830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22349, 44698, 67047, 111745, 134094, 223490, 335235, 670470, 692819, 1385638, 2078457, 3464095, 4156914, 6928190, 10392285, 20784570]

約数ペア:

[(1, 20784570), (2, 10392285), (3, 6928190), (5, 4156914), (6, 3464095), (10, 2078457), (15, 1385638), (30, 692819), (31, 670470), (62, 335235), (93, 223490), (155, 134094), (186, 111745), (310, 67047), (465, 44698), (930, 22349)]