20716680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5569}}^1$

素因数の和:5614

約数の個数: 64

約数和(自身を含む): 64166400

約数和(自身を除く): 43449720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5569, 11138, 16707, 22276, 27845, 33414, 44552, 55690, 66828, 83535, 111380, 133656, 167070, 172639, 222760, 334140, 345278, 517917, 668280, 690556, 863195, 1035834, 1381112, 1726390, 2071668, 2589585, 3452780, 4143336, 5179170, 6905560, 10358340, 20716680]

約数ペア:

[(1, 20716680), (2, 10358340), (3, 6905560), (4, 5179170), (5, 4143336), (6, 3452780), (8, 2589585), (10, 2071668), (12, 1726390), (15, 1381112), (20, 1035834), (24, 863195), (30, 690556), (31, 668280), (40, 517917), (60, 345278), (62, 334140), (93, 222760), (120, 172639), (124, 167070), (155, 133656), (186, 111380), (248, 83535), (310, 66828), (372, 55690), (465, 44552), (620, 33414), (744, 27845), (930, 22276), (1240, 16707), (1860, 11138), (3720, 5569)]