20119781460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{809}}^1\times {\mathrm{907}}^1$

素因数の和:2185

約数の個数: 96

約数和(自身を含む): 56590773120

約数和(自身を除く): 36470991660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 809, 907, 914, 1371, 1618, 1814, 1828, 2285, 2427, 2721, 2742, 3236, 3628, 4045, 4535, 4570, 4854, 5442, 5484, 6855, 8090, 9070, 9140, 9708, 10884, 12135, 13605, 13710, 16180, 18140, 24270, 27210, 27420, 48540, 54420, 369713, 414499, 733763, 739426, 828998, 1109139, 1243497, 1467526, 1478852, 1657996, 1848565, 2072495, 2201289, 2218278, 2486994, 2935052, 3668815, 3697130, 4144990, 4402578, 4436556, 4973988, 5545695, 6217485, 7337630, 7394260, 8289980, 8805156, 11006445, 11091390, 12434970, 14675260, 22012890, 22182780, 24869940, 44025780, 335329691, 670659382, 1005989073, 1341318764, 1676648455, 2011978146, 3353296910, 4023956292, 5029945365, 6706593820, 10059890730, 20119781460]

約数ペア:

[(1, 20119781460), (2, 10059890730), (3, 6706593820), (4, 5029945365), (5, 4023956292), (6, 3353296910), (10, 2011978146), (12, 1676648455), (15, 1341318764), (20, 1005989073), (30, 670659382), (60, 335329691), (457, 44025780), (809, 24869940), (907, 22182780), (914, 22012890), (1371, 14675260), (1618, 12434970), (1814, 11091390), (1828, 11006445), (2285, 8805156), (2427, 8289980), (2721, 7394260), (2742, 7337630), (3236, 6217485), (3628, 5545695), (4045, 4973988), (4535, 4436556), (4570, 4402578), (4854, 4144990), (5442, 3697130), (5484, 3668815), (6855, 2935052), (8090, 2486994), (9070, 2218278), (9140, 2201289), (9708, 2072495), (10884, 1848565), (12135, 1657996), (13605, 1478852), (13710, 1467526), (16180, 1243497), (18140, 1109139), (24270, 828998), (27210, 739426), (27420, 733763), (48540, 414499), (54420, 369713)]