20705970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{877}}^1$

素因数の和:1674

約数の個数: 32

約数和(自身を含む): 49814208

約数和(自身を除く): 29108238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 787, 877, 1574, 1754, 2361, 2631, 3935, 4385, 4722, 5262, 7870, 8770, 11805, 13155, 23610, 26310, 690199, 1380398, 2070597, 3450995, 4141194, 6901990, 10352985, 20705970]

約数ペア:

[(1, 20705970), (2, 10352985), (3, 6901990), (5, 4141194), (6, 3450995), (10, 2070597), (15, 1380398), (30, 690199), (787, 26310), (877, 23610), (1574, 13155), (1754, 11805), (2361, 8770), (2631, 7870), (3935, 5262), (4385, 4722)]