20720970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{230233}}^1$

素因数の和:230246

約数の個数: 24

約数和(自身を含む): 53874756

約数和(自身を除く): 33153786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 230233, 460466, 690699, 1151165, 1381398, 2072097, 2302330, 3453495, 4144194, 6906990, 10360485, 20720970]

約数ペア:

[(1, 20720970), (2, 10360485), (3, 6906990), (5, 4144194), (6, 3453495), (9, 2302330), (10, 2072097), (15, 1381398), (18, 1151165), (30, 690699), (45, 460466), (90, 230233)]