20077989980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1\times {\mathrm{30029}}^1$

素因数の和:30470

約数の個数: 48

約数和(自身を含む): 42711308640

約数和(自身を除く): 22633318660

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 331, 404, 505, 662, 1010, 1324, 1655, 2020, 3310, 6620, 30029, 33431, 60058, 66862, 120116, 133724, 150145, 167155, 300290, 334310, 600580, 668620, 3032929, 6065858, 9939599, 12131716, 15164645, 19879198, 30329290, 39758396, 49697995, 60658580, 99395990, 198791980, 1003899499, 2007798998, 4015597996, 5019497495, 10038994990, 20077989980]

約数ペア:

[(1, 20077989980), (2, 10038994990), (4, 5019497495), (5, 4015597996), (10, 2007798998), (20, 1003899499), (101, 198791980), (202, 99395990), (331, 60658580), (404, 49697995), (505, 39758396), (662, 30329290), (1010, 19879198), (1324, 15164645), (1655, 12131716), (2020, 9939599), (3310, 6065858), (6620, 3032929), (30029, 668620), (33431, 600580), (60058, 334310), (66862, 300290), (120116, 167155), (133724, 150145)]