20808874330

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{174703}}^1$

素因数の和:175030

約数の個数: 32

約数和(自身を含む): 38465627904

約数和(自身を除く): 17656753574

約数列:

[1, 2, 5, 10, 43, 86, 215, 277, 430, 554, 1385, 2770, 11911, 23822, 59555, 119110, 174703, 349406, 873515, 1747030, 7512229, 15024458, 37561145, 48392731, 75122290, 96785462, 241963655, 483927310, 2080887433, 4161774866, 10404437165, 20808874330]

約数ペア:

[(1, 20808874330), (2, 10404437165), (5, 4161774866), (10, 2080887433), (43, 483927310), (86, 241963655), (215, 96785462), (277, 75122290), (430, 48392731), (554, 37561145), (1385, 15024458), (2770, 7512229), (11911, 1747030), (23822, 873515), (59555, 349406), (119110, 174703)]