20338944

素因数分解:

$2^8\times 3^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 55040832

約数和(自身を除く): 34701888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 256, 284, 373, 384, 426, 568, 746, 768, 852, 1119, 1136, 1492, 1704, 2238, 2272, 2984, 3408, 4476, 4544, 5968, 6816, 8952, 9088, 11936, 13632, 17904, 18176, 23872, 26483, 27264, 35808, 47744, 52966, 54528, 71616, 79449, 95488, 105932, 143232, 158898, 211864, 286464, 317796, 423728, 635592, 847456, 1271184, 1694912, 2542368, 3389824, 5084736, 6779648, 10169472, 20338944]

約数ペア:

[(1, 20338944), (2, 10169472), (3, 6779648), (4, 5084736), (6, 3389824), (8, 2542368), (12, 1694912), (16, 1271184), (24, 847456), (32, 635592), (48, 423728), (64, 317796), (71, 286464), (96, 211864), (128, 158898), (142, 143232), (192, 105932), (213, 95488), (256, 79449), (284, 71616), (373, 54528), (384, 52966), (426, 47744), (568, 35808), (746, 27264), (768, 26483), (852, 23872), (1119, 18176), (1136, 17904), (1492, 13632), (1704, 11936), (2238, 9088), (2272, 8952), (2984, 6816), (3408, 5968), (4476, 4544)]