20009280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1136

約数の個数: 112

約数和(自身を含む): 66934080

約数和(自身を除く): 46924800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1097, 1140, 1216, 1520, 1824, 2194, 2280, 3040, 3291, 3648, 4388, 4560, 5485, 6080, 6582, 8776, 9120, 10970, 13164, 16455, 17552, 18240, 20843, 21940, 26328, 32910, 35104, 41686, 43880, 52656, 62529, 65820, 70208, 83372, 87760, 104215, 105312, 125058, 131640, 166744, 175520, 208430, 210624, 250116, 263280, 312645, 333488, 351040, 416860, 500232, 526560, 625290, 666976, 833720, 1000464, 1053120, 1250580, 1333952, 1667440, 2000928, 2501160, 3334880, 4001856, 5002320, 6669760, 10004640, 20009280]

約数ペア:

[(1, 20009280), (2, 10004640), (3, 6669760), (4, 5002320), (5, 4001856), (6, 3334880), (8, 2501160), (10, 2000928), (12, 1667440), (15, 1333952), (16, 1250580), (19, 1053120), (20, 1000464), (24, 833720), (30, 666976), (32, 625290), (38, 526560), (40, 500232), (48, 416860), (57, 351040), (60, 333488), (64, 312645), (76, 263280), (80, 250116), (95, 210624), (96, 208430), (114, 175520), (120, 166744), (152, 131640), (160, 125058), (190, 105312), (192, 104215), (228, 87760), (240, 83372), (285, 70208), (304, 65820), (320, 62529), (380, 52656), (456, 43880), (480, 41686), (570, 35104), (608, 32910), (760, 26328), (912, 21940), (960, 20843), (1097, 18240), (1140, 17552), (1216, 16455), (1520, 13164), (1824, 10970), (2194, 9120), (2280, 8776), (3040, 6582), (3291, 6080), (3648, 5485), (4388, 4560)]