20379110398

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1\times {\mathrm{4513}}^1$

素因数の和:5140

約数の個数: 32

約数和(自身を含む): 31819583232

約数和(自身を除く): 11440472834

約数列:

[1, 2, 31, 62, 173, 346, 421, 842, 4513, 5363, 9026, 10726, 13051, 26102, 72833, 139903, 145666, 279806, 780749, 1561498, 1899973, 2257823, 3799946, 4515646, 24203219, 48406438, 58899163, 117798326, 328695329, 657390658, 10189555199, 20379110398]

約数ペア:

[(1, 20379110398), (2, 10189555199), (31, 657390658), (62, 328695329), (173, 117798326), (346, 58899163), (421, 48406438), (842, 24203219), (4513, 4515646), (5363, 3799946), (9026, 2257823), (10726, 1899973), (13051, 1561498), (26102, 780749), (72833, 279806), (139903, 145666)]