20510976

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1607

約数の個数: 72

約数和(自身を含む): 57837024

約数和(自身を除く): 37326048

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, 408, 544, 768, 816, 1088, 1571, 1632, 2176, 3142, 3264, 4352, 4713, 6284, 6528, 9426, 12568, 13056, 18852, 25136, 26707, 37704, 50272, 53414, 75408, 80121, 100544, 106828, 150816, 160242, 201088, 213656, 301632, 320484, 402176, 427312, 603264, 640968, 854624, 1206528, 1281936, 1709248, 2563872, 3418496, 5127744, 6836992, 10255488, 20510976]

約数ペア:

[(1, 20510976), (2, 10255488), (3, 6836992), (4, 5127744), (6, 3418496), (8, 2563872), (12, 1709248), (16, 1281936), (17, 1206528), (24, 854624), (32, 640968), (34, 603264), (48, 427312), (51, 402176), (64, 320484), (68, 301632), (96, 213656), (102, 201088), (128, 160242), (136, 150816), (192, 106828), (204, 100544), (256, 80121), (272, 75408), (384, 53414), (408, 50272), (544, 37704), (768, 26707), (816, 25136), (1088, 18852), (1571, 13056), (1632, 12568), (2176, 9426), (3142, 6528), (3264, 6284), (4352, 4713)]