20889133064

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137428507}}^1$

素因数の和:137428532

約数の個数: 16

約数和(自身を含む): 41228552400

約数和(自身を除く): 20339419336

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137428507, 274857014, 549714028, 1099428056, 2611141633, 5222283266, 10444566532, 20889133064]

約数ペア:

[(1, 20889133064), (2, 10444566532), (4, 5222283266), (8, 2611141633), (19, 1099428056), (38, 549714028), (76, 274857014), (152, 137428507)]