20271616

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 60

約数和(自身を含む): 43340418

約数和(自身を除く): 23068802

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 256, 272, 274, 289, 512, 544, 548, 578, 1088, 1096, 1156, 2176, 2192, 2312, 2329, 4352, 4384, 4624, 4658, 8704, 8768, 9248, 9316, 17536, 18496, 18632, 35072, 36992, 37264, 39593, 70144, 73984, 74528, 79186, 147968, 149056, 158372, 298112, 316744, 596224, 633488, 1192448, 1266976, 2533952, 5067904, 10135808, 20271616]

約数ペア:

[(1, 20271616), (2, 10135808), (4, 5067904), (8, 2533952), (16, 1266976), (17, 1192448), (32, 633488), (34, 596224), (64, 316744), (68, 298112), (128, 158372), (136, 149056), (137, 147968), (256, 79186), (272, 74528), (274, 73984), (289, 70144), (512, 39593), (544, 37264), (548, 36992), (578, 35072), (1088, 18632), (1096, 18496), (1156, 17536), (2176, 9316), (2192, 9248), (2312, 8768), (2329, 8704), (4352, 4658), (4384, 4624)]