20996856160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{94207}}^1$

素因数の和:94428

約数の個数: 96

約数和(自身を含む): 56976998400

約数和(自身を除く): 35980142240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 199, 224, 280, 398, 560, 796, 995, 1120, 1393, 1592, 1990, 2786, 3184, 3980, 5572, 6368, 6965, 7960, 11144, 13930, 15920, 22288, 27860, 31840, 44576, 55720, 94207, 111440, 188414, 222880, 376828, 471035, 659449, 753656, 942070, 1318898, 1507312, 1884140, 2637796, 3014624, 3297245, 3768280, 5275592, 6594490, 7536560, 10551184, 13188980, 15073120, 18747193, 21102368, 26377960, 37494386, 52755920, 74988772, 93735965, 105511840, 131230351, 149977544, 187471930, 262460702, 299955088, 374943860, 524921404, 599910176, 656151755, 749887720, 1049842808, 1312303510, 1499775440, 2099685616, 2624607020, 2999550880, 4199371232, 5249214040, 10498428080, 20996856160]

約数ペア:

[(1, 20996856160), (2, 10498428080), (4, 5249214040), (5, 4199371232), (7, 2999550880), (8, 2624607020), (10, 2099685616), (14, 1499775440), (16, 1312303510), (20, 1049842808), (28, 749887720), (32, 656151755), (35, 599910176), (40, 524921404), (56, 374943860), (70, 299955088), (80, 262460702), (112, 187471930), (140, 149977544), (160, 131230351), (199, 105511840), (224, 93735965), (280, 74988772), (398, 52755920), (560, 37494386), (796, 26377960), (995, 21102368), (1120, 18747193), (1393, 15073120), (1592, 13188980), (1990, 10551184), (2786, 7536560), (3184, 6594490), (3980, 5275592), (5572, 3768280), (6368, 3297245), (6965, 3014624), (7960, 2637796), (11144, 1884140), (13930, 1507312), (15920, 1318898), (22288, 942070), (27860, 753656), (31840, 659449), (44576, 471035), (55720, 376828), (94207, 222880), (111440, 188414)]