20895765840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29021897}}^1$

素因数の和:29021916

約数の個数: 60

約数和(自身を含む): 70174949364

約数和(自身を除く): 49279183524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29021897, 58043794, 87065691, 116087588, 145109485, 174131382, 232175176, 261197073, 290218970, 348262764, 435328455, 464350352, 522394146, 580437940, 696525528, 870656910, 1044788292, 1160875880, 1305985365, 1393051056, 1741313820, 2089576584, 2321751760, 2611970730, 3482627640, 4179153168, 5223941460, 6965255280, 10447882920, 20895765840]

約数ペア:

[(1, 20895765840), (2, 10447882920), (3, 6965255280), (4, 5223941460), (5, 4179153168), (6, 3482627640), (8, 2611970730), (9, 2321751760), (10, 2089576584), (12, 1741313820), (15, 1393051056), (16, 1305985365), (18, 1160875880), (20, 1044788292), (24, 870656910), (30, 696525528), (36, 580437940), (40, 522394146), (45, 464350352), (48, 435328455), (60, 348262764), (72, 290218970), (80, 261197073), (90, 232175176), (120, 174131382), (144, 145109485), (180, 116087588), (240, 87065691), (360, 58043794), (720, 29021897)]