20016384

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 54206880

約数和(自身を除く): 34190496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 389, 402, 536, 768, 778, 804, 1072, 1167, 1556, 1608, 2144, 2334, 3112, 3216, 4288, 4668, 6224, 6432, 8576, 9336, 12448, 12864, 17152, 18672, 24896, 25728, 26063, 37344, 49792, 51456, 52126, 74688, 78189, 99584, 104252, 149376, 156378, 208504, 298752, 312756, 417008, 625512, 834016, 1251024, 1668032, 2502048, 3336064, 5004096, 6672128, 10008192, 20016384]

約数ペア:

[(1, 20016384), (2, 10008192), (3, 6672128), (4, 5004096), (6, 3336064), (8, 2502048), (12, 1668032), (16, 1251024), (24, 834016), (32, 625512), (48, 417008), (64, 312756), (67, 298752), (96, 208504), (128, 156378), (134, 149376), (192, 104252), (201, 99584), (256, 78189), (268, 74688), (384, 52126), (389, 51456), (402, 49792), (536, 37344), (768, 26063), (778, 25728), (804, 24896), (1072, 18672), (1167, 17152), (1556, 12864), (1608, 12448), (2144, 9336), (2334, 8576), (3112, 6432), (3216, 6224), (4288, 4668)]