20315136

素因数分解:

$2^{10}\times 3^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 88

約数和(自身を含む): 57479760

約数和(自身を除く): 37164624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 389, 408, 512, 544, 768, 778, 816, 1024, 1088, 1167, 1536, 1556, 1632, 2176, 2334, 3072, 3112, 3264, 4352, 4668, 6224, 6528, 6613, 8704, 9336, 12448, 13056, 13226, 17408, 18672, 19839, 24896, 26112, 26452, 37344, 39678, 49792, 52224, 52904, 74688, 79356, 99584, 105808, 149376, 158712, 199168, 211616, 298752, 317424, 398336, 423232, 597504, 634848, 846464, 1195008, 1269696, 1692928, 2539392, 3385856, 5078784, 6771712, 10157568, 20315136]

約数ペア:

[(1, 20315136), (2, 10157568), (3, 6771712), (4, 5078784), (6, 3385856), (8, 2539392), (12, 1692928), (16, 1269696), (17, 1195008), (24, 846464), (32, 634848), (34, 597504), (48, 423232), (51, 398336), (64, 317424), (68, 298752), (96, 211616), (102, 199168), (128, 158712), (136, 149376), (192, 105808), (204, 99584), (256, 79356), (272, 74688), (384, 52904), (389, 52224), (408, 49792), (512, 39678), (544, 37344), (768, 26452), (778, 26112), (816, 24896), (1024, 19839), (1088, 18672), (1167, 17408), (1536, 13226), (1556, 13056), (1632, 12448), (2176, 9336), (2334, 8704), (3072, 6613), (3112, 6528), (3264, 6224), (4352, 4668)]