20858160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 65111904

約数和(自身を除く): 44253744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 233, 240, 373, 466, 699, 746, 932, 1119, 1165, 1398, 1492, 1864, 1865, 2238, 2330, 2796, 2984, 3495, 3728, 3730, 4476, 4660, 5592, 5595, 5968, 6990, 7460, 8952, 9320, 11184, 11190, 13980, 14920, 17904, 18640, 22380, 27960, 29840, 44760, 55920, 86909, 89520, 173818, 260727, 347636, 434545, 521454, 695272, 869090, 1042908, 1303635, 1390544, 1738180, 2085816, 2607270, 3476360, 4171632, 5214540, 6952720, 10429080, 20858160]

約数ペア:

[(1, 20858160), (2, 10429080), (3, 6952720), (4, 5214540), (5, 4171632), (6, 3476360), (8, 2607270), (10, 2085816), (12, 1738180), (15, 1390544), (16, 1303635), (20, 1042908), (24, 869090), (30, 695272), (40, 521454), (48, 434545), (60, 347636), (80, 260727), (120, 173818), (233, 89520), (240, 86909), (373, 55920), (466, 44760), (699, 29840), (746, 27960), (932, 22380), (1119, 18640), (1165, 17904), (1398, 14920), (1492, 13980), (1864, 11190), (1865, 11184), (2238, 9320), (2330, 8952), (2796, 7460), (2984, 6990), (3495, 5968), (3728, 5595), (3730, 5592), (4476, 4660)]