20794860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 65526720

約数和(自身を除く): 44731860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 97, 108, 135, 180, 194, 270, 291, 388, 397, 485, 540, 582, 794, 873, 970, 1164, 1191, 1455, 1588, 1746, 1940, 1985, 2382, 2619, 2910, 3492, 3573, 3970, 4365, 4764, 5238, 5820, 5955, 7146, 7940, 8730, 10476, 10719, 11910, 13095, 14292, 17460, 17865, 21438, 23820, 26190, 35730, 38509, 42876, 52380, 53595, 71460, 77018, 107190, 115527, 154036, 192545, 214380, 231054, 346581, 385090, 462108, 577635, 693162, 770180, 1039743, 1155270, 1386324, 1732905, 2079486, 2310540, 3465810, 4158972, 5198715, 6931620, 10397430, 20794860]

約数ペア:

[(1, 20794860), (2, 10397430), (3, 6931620), (4, 5198715), (5, 4158972), (6, 3465810), (9, 2310540), (10, 2079486), (12, 1732905), (15, 1386324), (18, 1155270), (20, 1039743), (27, 770180), (30, 693162), (36, 577635), (45, 462108), (54, 385090), (60, 346581), (90, 231054), (97, 214380), (108, 192545), (135, 154036), (180, 115527), (194, 107190), (270, 77018), (291, 71460), (388, 53595), (397, 52380), (485, 42876), (540, 38509), (582, 35730), (794, 26190), (873, 23820), (970, 21438), (1164, 17865), (1191, 17460), (1455, 14292), (1588, 13095), (1746, 11910), (1940, 10719), (1985, 10476), (2382, 8730), (2619, 7940), (2910, 7146), (3492, 5955), (3573, 5820), (3970, 5238), (4365, 4764)]