201979340

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{18131}}^1$

素因数の和:18697

約数の個数: 24

約数和(自身を含む): 424941552

約数和(自身を除く): 222962212

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 18131, 36262, 72524, 90655, 181310, 362620, 10098967, 20197934, 40395868, 50494835, 100989670, 201979340]

約数ペア:

[(1, 201979340), (2, 100989670), (4, 50494835), (5, 40395868), (10, 20197934), (20, 10098967), (557, 362620), (1114, 181310), (2228, 90655), (2785, 72524), (5570, 36262), (11140, 18131)]