20837261056

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{22541}}^1$

素因数の和:22737

約数の個数: 72

約数和(自身を含む): 43679903904

約数和(自身を除く): 22842642848

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 157, 184, 256, 314, 368, 628, 736, 1256, 1472, 2512, 2944, 3611, 5024, 5888, 7222, 10048, 14444, 20096, 22541, 28888, 40192, 45082, 57776, 90164, 115552, 180328, 231104, 360656, 462208, 518443, 721312, 924416, 1036886, 1442624, 2073772, 2885248, 3538937, 4147544, 5770496, 7077874, 8295088, 14155748, 16590176, 28311496, 33180352, 56622992, 66360704, 81395551, 113245984, 132721408, 162791102, 226491968, 325582204, 452983936, 651164408, 905967872, 1302328816, 2604657632, 5209315264, 10418630528, 20837261056]

約数ペア:

[(1, 20837261056), (2, 10418630528), (4, 5209315264), (8, 2604657632), (16, 1302328816), (23, 905967872), (32, 651164408), (46, 452983936), (64, 325582204), (92, 226491968), (128, 162791102), (157, 132721408), (184, 113245984), (256, 81395551), (314, 66360704), (368, 56622992), (628, 33180352), (736, 28311496), (1256, 16590176), (1472, 14155748), (2512, 8295088), (2944, 7077874), (3611, 5770496), (5024, 4147544), (5888, 3538937), (7222, 2885248), (10048, 2073772), (14444, 1442624), (20096, 1036886), (22541, 924416), (28888, 721312), (40192, 518443), (45082, 462208), (57776, 360656), (90164, 231104), (115552, 180328)]