20873430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 56306880

約数和(自身を除く): 35433450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 797, 873, 970, 1455, 1594, 1746, 2391, 2619, 2910, 3985, 4365, 4782, 5238, 7173, 7970, 8730, 11955, 13095, 14346, 21519, 23910, 26190, 35865, 43038, 71730, 77309, 107595, 154618, 215190, 231927, 386545, 463854, 695781, 773090, 1159635, 1391562, 2087343, 2319270, 3478905, 4174686, 6957810, 10436715, 20873430]

約数ペア:

[(1, 20873430), (2, 10436715), (3, 6957810), (5, 4174686), (6, 3478905), (9, 2319270), (10, 2087343), (15, 1391562), (18, 1159635), (27, 773090), (30, 695781), (45, 463854), (54, 386545), (90, 231927), (97, 215190), (135, 154618), (194, 107595), (270, 77309), (291, 71730), (485, 43038), (582, 35865), (797, 26190), (873, 23910), (970, 21519), (1455, 14346), (1594, 13095), (1746, 11955), (2391, 8730), (2619, 7970), (2910, 7173), (3985, 5238), (4365, 4782)]