20194707430

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3140701}}^1$

素因数の和:3141351

約数の個数: 16

約数和(自身を含む): 36407017584

約数和(自身を除く): 16212310154

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 3140701, 6281402, 15703505, 31407010, 2019470743, 4038941486, 10097353715, 20194707430]

約数ペア:

[(1, 20194707430), (2, 10097353715), (5, 4038941486), (10, 2019470743), (643, 31407010), (1286, 15703505), (3215, 6281402), (6430, 3140701)]