2020165940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{189509}}^1$

素因数の和:189572

約数の個数: 48

約数和(自身を含む): 4680138960

約数和(自身を除く): 2659973020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 189509, 379018, 758036, 947545, 1895090, 2463617, 3790180, 4927234, 7769869, 9854468, 12318085, 15539738, 24636170, 31079476, 38849345, 49272340, 77698690, 101008297, 155397380, 202016594, 404033188, 505041485, 1010082970, 2020165940]

約数ペア:

[(1, 2020165940), (2, 1010082970), (4, 505041485), (5, 404033188), (10, 202016594), (13, 155397380), (20, 101008297), (26, 77698690), (41, 49272340), (52, 38849345), (65, 31079476), (82, 24636170), (130, 15539738), (164, 12318085), (205, 9854468), (260, 7769869), (410, 4927234), (533, 3790180), (820, 2463617), (1066, 1895090), (2132, 947545), (2665, 758036), (5330, 379018), (10660, 189509)]