20390610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31864110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 83, 95, 114, 166, 190, 249, 285, 415, 431, 498, 570, 830, 862, 1245, 1293, 1577, 2155, 2490, 2586, 3154, 4310, 4731, 6465, 7885, 8189, 9462, 12930, 15770, 16378, 23655, 24567, 35773, 40945, 47310, 49134, 71546, 81890, 107319, 122835, 178865, 214638, 245670, 357730, 536595, 679687, 1073190, 1359374, 2039061, 3398435, 4078122, 6796870, 10195305, 20390610]

約数ペア:

[(1, 20390610), (2, 10195305), (3, 6796870), (5, 4078122), (6, 3398435), (10, 2039061), (15, 1359374), (19, 1073190), (30, 679687), (38, 536595), (57, 357730), (83, 245670), (95, 214638), (114, 178865), (166, 122835), (190, 107319), (249, 81890), (285, 71546), (415, 49134), (431, 47310), (498, 40945), (570, 35773), (830, 24567), (862, 23655), (1245, 16378), (1293, 15770), (1577, 12930), (2155, 9462), (2490, 8189), (2586, 7885), (3154, 6465), (4310, 4731)]