20688830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 39774240

約数和(自身を除く): 19085410

約数列:

[1, 2, 5, 10, 17, 34, 85, 131, 170, 262, 655, 929, 1310, 1858, 2227, 4454, 4645, 9290, 11135, 15793, 22270, 31586, 78965, 121699, 157930, 243398, 608495, 1216990, 2068883, 4137766, 10344415, 20688830]

約数ペア:

[(1, 20688830), (2, 10344415), (5, 4137766), (10, 2068883), (17, 1216990), (34, 608495), (85, 243398), (131, 157930), (170, 121699), (262, 78965), (655, 31586), (929, 22270), (1310, 15793), (1858, 11135), (2227, 9290), (4454, 4645)]