20458770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2593}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 49306752

約数和(自身を除く): 28847982

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2593, 2630, 3945, 5186, 7779, 7890, 12965, 15558, 25930, 38895, 77790, 681959, 1363918, 2045877, 3409795, 4091754, 6819590, 10229385, 20458770]

約数ペア:

[(1, 20458770), (2, 10229385), (3, 6819590), (5, 4091754), (6, 3409795), (10, 2045877), (15, 1363918), (30, 681959), (263, 77790), (526, 38895), (789, 25930), (1315, 15558), (1578, 12965), (2593, 7890), (2630, 7779), (3945, 5186)]