20856870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12197}}^1$

素因数の和:12229

約数の個数: 48

約数和(自身を含む): 57086640

約数和(自身を除く): 36229770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12197, 24394, 36591, 60985, 73182, 109773, 121970, 182955, 219546, 231743, 365910, 463486, 548865, 695229, 1097730, 1158715, 1390458, 2085687, 2317430, 3476145, 4171374, 6952290, 10428435, 20856870]

約数ペア:

[(1, 20856870), (2, 10428435), (3, 6952290), (5, 4171374), (6, 3476145), (9, 2317430), (10, 2085687), (15, 1390458), (18, 1158715), (19, 1097730), (30, 695229), (38, 548865), (45, 463486), (57, 365910), (90, 231743), (95, 219546), (114, 182955), (171, 121970), (190, 109773), (285, 73182), (342, 60985), (570, 36591), (855, 24394), (1710, 12197)]