20978029080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19424101}}^1$

素因数の和:19424121

約数の個数: 64

約数和(自身を含む): 69926767200

約数和(自身を除く): 48948738120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19424101, 38848202, 58272303, 77696404, 97120505, 116544606, 155392808, 174816909, 194241010, 233089212, 291361515, 349633818, 388482020, 466178424, 524450727, 582723030, 699267636, 776964040, 874084545, 1048901454, 1165446060, 1398535272, 1748169090, 2097802908, 2330892120, 2622253635, 3496338180, 4195605816, 5244507270, 6992676360, 10489014540, 20978029080]

約数ペア:

[(1, 20978029080), (2, 10489014540), (3, 6992676360), (4, 5244507270), (5, 4195605816), (6, 3496338180), (8, 2622253635), (9, 2330892120), (10, 2097802908), (12, 1748169090), (15, 1398535272), (18, 1165446060), (20, 1048901454), (24, 874084545), (27, 776964040), (30, 699267636), (36, 582723030), (40, 524450727), (45, 466178424), (54, 388482020), (60, 349633818), (72, 291361515), (90, 233089212), (108, 194241010), (120, 174816909), (135, 155392808), (180, 116544606), (216, 97120505), (270, 77696404), (360, 58272303), (540, 38848202), (1080, 19424101)]