20415918060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{91691}}^1$

素因数の和:92943

約数の個数: 72

約数和(自身を含む): 61979024016

約数和(自身を除く): 41563105956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1237, 2474, 3711, 4948, 6185, 7422, 11133, 12370, 14844, 18555, 22266, 24740, 37110, 44532, 55665, 74220, 91691, 111330, 183382, 222660, 275073, 366764, 458455, 550146, 825219, 916910, 1100292, 1375365, 1650438, 1833820, 2750730, 3300876, 4126095, 5501460, 8252190, 16504380, 113421767, 226843534, 340265301, 453687068, 567108835, 680530602, 1020795903, 1134217670, 1361061204, 1701326505, 2041591806, 2268435340, 3402653010, 4083183612, 5103979515, 6805306020, 10207959030, 20415918060]

約数ペア:

[(1, 20415918060), (2, 10207959030), (3, 6805306020), (4, 5103979515), (5, 4083183612), (6, 3402653010), (9, 2268435340), (10, 2041591806), (12, 1701326505), (15, 1361061204), (18, 1134217670), (20, 1020795903), (30, 680530602), (36, 567108835), (45, 453687068), (60, 340265301), (90, 226843534), (180, 113421767), (1237, 16504380), (2474, 8252190), (3711, 5501460), (4948, 4126095), (6185, 3300876), (7422, 2750730), (11133, 1833820), (12370, 1650438), (14844, 1375365), (18555, 1100292), (22266, 916910), (24740, 825219), (37110, 550146), (44532, 458455), (55665, 366764), (74220, 275073), (91691, 222660), (111330, 183382)]