20507616

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2344

約数の個数: 72

約数和(自身を含む): 60225984

約数和(自身を除く): 39718368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2297, 2976, 4464, 4594, 6891, 8928, 9188, 13782, 18376, 20673, 27564, 36752, 41346, 55128, 71207, 73504, 82692, 110256, 142414, 165384, 213621, 220512, 284828, 330768, 427242, 569656, 640863, 661536, 854484, 1139312, 1281726, 1708968, 2278624, 2563452, 3417936, 5126904, 6835872, 10253808, 20507616]

約数ペア:

[(1, 20507616), (2, 10253808), (3, 6835872), (4, 5126904), (6, 3417936), (8, 2563452), (9, 2278624), (12, 1708968), (16, 1281726), (18, 1139312), (24, 854484), (31, 661536), (32, 640863), (36, 569656), (48, 427242), (62, 330768), (72, 284828), (93, 220512), (96, 213621), (124, 165384), (144, 142414), (186, 110256), (248, 82692), (279, 73504), (288, 71207), (372, 55128), (496, 41346), (558, 36752), (744, 27564), (992, 20673), (1116, 18376), (1488, 13782), (2232, 9188), (2297, 8928), (2976, 6891), (4464, 4594)]