20456064

素因数分解:

$2^7\times 3^4\times {\mathrm{1973}}^1$

素因数の和:1999

約数の個数: 80

約数和(自身を含む): 60907770

約数和(自身を除く): 40451706

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 1973, 2592, 3456, 3946, 5184, 5919, 7892, 10368, 11838, 15784, 17757, 23676, 31568, 35514, 47352, 53271, 63136, 71028, 94704, 106542, 126272, 142056, 159813, 189408, 213084, 252544, 284112, 319626, 378816, 426168, 568224, 639252, 757632, 852336, 1136448, 1278504, 1704672, 2272896, 2557008, 3409344, 5114016, 6818688, 10228032, 20456064]

約数ペア:

[(1, 20456064), (2, 10228032), (3, 6818688), (4, 5114016), (6, 3409344), (8, 2557008), (9, 2272896), (12, 1704672), (16, 1278504), (18, 1136448), (24, 852336), (27, 757632), (32, 639252), (36, 568224), (48, 426168), (54, 378816), (64, 319626), (72, 284112), (81, 252544), (96, 213084), (108, 189408), (128, 159813), (144, 142056), (162, 126272), (192, 106542), (216, 94704), (288, 71028), (324, 63136), (384, 53271), (432, 47352), (576, 35514), (648, 31568), (864, 23676), (1152, 17757), (1296, 15784), (1728, 11838), (1973, 10368), (2592, 7892), (3456, 5919), (3946, 5184)]