20171781632

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{21683}}^1$

素因数の和:21803

約数の個数: 80

約数和(自身を含む): 42590845440

約数和(自身を除く): 22419063808

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 79, 92, 128, 158, 184, 256, 316, 368, 512, 632, 736, 1264, 1472, 1817, 2528, 2944, 3634, 5056, 5888, 7268, 10112, 11776, 14536, 20224, 21683, 29072, 40448, 43366, 58144, 86732, 116288, 173464, 232576, 346928, 465152, 498709, 693856, 930304, 997418, 1387712, 1712957, 1994836, 2775424, 3425914, 3989672, 5550848, 6851828, 7979344, 11101696, 13703656, 15958688, 27407312, 31917376, 39398011, 54814624, 63834752, 78796022, 109629248, 127669504, 157592044, 219258496, 255339008, 315184088, 438516992, 630368176, 877033984, 1260736352, 2521472704, 5042945408, 10085890816, 20171781632]

約数ペア:

[(1, 20171781632), (2, 10085890816), (4, 5042945408), (8, 2521472704), (16, 1260736352), (23, 877033984), (32, 630368176), (46, 438516992), (64, 315184088), (79, 255339008), (92, 219258496), (128, 157592044), (158, 127669504), (184, 109629248), (256, 78796022), (316, 63834752), (368, 54814624), (512, 39398011), (632, 31917376), (736, 27407312), (1264, 15958688), (1472, 13703656), (1817, 11101696), (2528, 7979344), (2944, 6851828), (3634, 5550848), (5056, 3989672), (5888, 3425914), (7268, 2775424), (10112, 1994836), (11776, 1712957), (14536, 1387712), (20224, 997418), (21683, 930304), (29072, 693856), (40448, 498709), (43366, 465152), (58144, 346928), (86732, 232576), (116288, 173464)]