20090862010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{279001}}^1$

素因数の和:279406

約数の個数: 32

約数和(自身を含む): 38167473600

約数和(自身を除く): 18076611590

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379, 758, 1895, 3790, 7201, 14402, 36005, 72010, 279001, 558002, 1395005, 2790010, 5301019, 10602038, 26505095, 53010190, 105741379, 211482758, 528706895, 1057413790, 2009086201, 4018172402, 10045431005, 20090862010]

約数ペア:

[(1, 20090862010), (2, 10045431005), (5, 4018172402), (10, 2009086201), (19, 1057413790), (38, 528706895), (95, 211482758), (190, 105741379), (379, 53010190), (758, 26505095), (1895, 10602038), (3790, 5301019), (7201, 2790010), (14402, 1395005), (36005, 558002), (72010, 279001)]