20357376

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 58376640

約数和(自身を除く): 38019264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2039, 2496, 3328, 4078, 4992, 6117, 8156, 9984, 12234, 16312, 24468, 26507, 32624, 48936, 53014, 65248, 79521, 97872, 106028, 130496, 159042, 195744, 212056, 260992, 318084, 391488, 424112, 521984, 636168, 782976, 848224, 1272336, 1565952, 1696448, 2544672, 3392896, 5089344, 6785792, 10178688, 20357376]

約数ペア:

[(1, 20357376), (2, 10178688), (3, 6785792), (4, 5089344), (6, 3392896), (8, 2544672), (12, 1696448), (13, 1565952), (16, 1272336), (24, 848224), (26, 782976), (32, 636168), (39, 521984), (48, 424112), (52, 391488), (64, 318084), (78, 260992), (96, 212056), (104, 195744), (128, 159042), (156, 130496), (192, 106028), (208, 97872), (256, 79521), (312, 65248), (384, 53014), (416, 48936), (624, 32624), (768, 26507), (832, 24468), (1248, 16312), (1664, 12234), (2039, 9984), (2496, 8156), (3328, 6117), (4078, 4992)]