20428032

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 55318816

約数和(自身を除く): 34890784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 397, 402, 536, 768, 794, 804, 1072, 1191, 1588, 1608, 2144, 2382, 3176, 3216, 4288, 4764, 6352, 6432, 8576, 9528, 12704, 12864, 17152, 19056, 25408, 25728, 26599, 38112, 50816, 51456, 53198, 76224, 79797, 101632, 106396, 152448, 159594, 212792, 304896, 319188, 425584, 638376, 851168, 1276752, 1702336, 2553504, 3404672, 5107008, 6809344, 10214016, 20428032]

約数ペア:

[(1, 20428032), (2, 10214016), (3, 6809344), (4, 5107008), (6, 3404672), (8, 2553504), (12, 1702336), (16, 1276752), (24, 851168), (32, 638376), (48, 425584), (64, 319188), (67, 304896), (96, 212792), (128, 159594), (134, 152448), (192, 106396), (201, 101632), (256, 79797), (268, 76224), (384, 53198), (397, 51456), (402, 50816), (536, 38112), (768, 26599), (794, 25728), (804, 25408), (1072, 19056), (1191, 17152), (1588, 12864), (1608, 12704), (2144, 9528), (2382, 8576), (3176, 6432), (3216, 6352), (4288, 4764)]