20119140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111773}}^1$

素因数の和:111788

約数の個数: 36

約数和(自身を含む): 61028604

約数和(自身を除く): 40909464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111773, 223546, 335319, 447092, 558865, 670638, 1005957, 1117730, 1341276, 1676595, 2011914, 2235460, 3353190, 4023828, 5029785, 6706380, 10059570, 20119140]

約数ペア:

[(1, 20119140), (2, 10059570), (3, 6706380), (4, 5029785), (5, 4023828), (6, 3353190), (9, 2235460), (10, 2011914), (12, 1676595), (15, 1341276), (18, 1117730), (20, 1005957), (30, 670638), (36, 558865), (45, 447092), (60, 335319), (90, 223546), (180, 111773)]