20332480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 112

約数和(自身を含む): 57424320

約数和(自身を除く): 37091840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 313, 320, 406, 448, 464, 560, 580, 626, 812, 928, 1015, 1120, 1160, 1252, 1565, 1624, 1856, 2030, 2191, 2240, 2320, 2504, 3130, 3248, 4060, 4382, 4640, 5008, 6260, 6496, 8120, 8764, 9077, 9280, 10016, 10955, 12520, 12992, 16240, 17528, 18154, 20032, 21910, 25040, 32480, 35056, 36308, 43820, 45385, 50080, 63539, 64960, 70112, 72616, 87640, 90770, 100160, 127078, 140224, 145232, 175280, 181540, 254156, 290464, 317695, 350560, 363080, 508312, 580928, 635390, 701120, 726160, 1016624, 1270780, 1452320, 2033248, 2541560, 2904640, 4066496, 5083120, 10166240, 20332480]

約数ペア:

[(1, 20332480), (2, 10166240), (4, 5083120), (5, 4066496), (7, 2904640), (8, 2541560), (10, 2033248), (14, 1452320), (16, 1270780), (20, 1016624), (28, 726160), (29, 701120), (32, 635390), (35, 580928), (40, 508312), (56, 363080), (58, 350560), (64, 317695), (70, 290464), (80, 254156), (112, 181540), (116, 175280), (140, 145232), (145, 140224), (160, 127078), (203, 100160), (224, 90770), (232, 87640), (280, 72616), (290, 70112), (313, 64960), (320, 63539), (406, 50080), (448, 45385), (464, 43820), (560, 36308), (580, 35056), (626, 32480), (812, 25040), (928, 21910), (1015, 20032), (1120, 18154), (1160, 17528), (1252, 16240), (1565, 12992), (1624, 12520), (1856, 10955), (2030, 10016), (2191, 9280), (2240, 9077), (2320, 8764), (2504, 8120), (3130, 6496), (3248, 6260), (4060, 5008), (4382, 4640)]