20153929520

素因数分解:

$2^4\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{134503}}^1$

素因数の和:136389

約数の個数: 40

約数和(自身を含む): 46883252256

約数和(自身を除く): 26729322736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1873, 3746, 7492, 9365, 14984, 18730, 29968, 37460, 74920, 134503, 149840, 269006, 538012, 672515, 1076024, 1345030, 2152048, 2690060, 5380120, 10760240, 251924119, 503848238, 1007696476, 1259620595, 2015392952, 2519241190, 4030785904, 5038482380, 10076964760, 20153929520]

約数ペア:

[(1, 20153929520), (2, 10076964760), (4, 5038482380), (5, 4030785904), (8, 2519241190), (10, 2015392952), (16, 1259620595), (20, 1007696476), (40, 503848238), (80, 251924119), (1873, 10760240), (3746, 5380120), (7492, 2690060), (9365, 2152048), (14984, 1345030), (18730, 1076024), (29968, 672515), (37460, 538012), (74920, 269006), (134503, 149840)]