20291367180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1123553}}^1$

素因数の和:1123615

約数の個数: 96

約数和(自身を含む): 66442489344

約数和(自身を除く): 46151122164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 18060, 1123553, 2247106, 3370659, 4494212, 5617765, 6741318, 7864871, 11235530, 13482636, 15729742, 16853295, 22471060, 23594613, 31459484, 33706590, 39324355, 47189226, 48312779, 67413180, 78648710, 94378452, 96625558, 117973065, 144938337, 157297420, 193251116, 235946130, 241563895, 289876674, 338189453, 471892260, 483127790, 579753348, 676378906, 724691685, 966255580, 1014568359, 1352757812, 1449383370, 1690947265, 2029136718, 2898766740, 3381894530, 4058273436, 5072841795, 6763789060, 10145683590, 20291367180]

約数ペア:

[(1, 20291367180), (2, 10145683590), (3, 6763789060), (4, 5072841795), (5, 4058273436), (6, 3381894530), (7, 2898766740), (10, 2029136718), (12, 1690947265), (14, 1449383370), (15, 1352757812), (20, 1014568359), (21, 966255580), (28, 724691685), (30, 676378906), (35, 579753348), (42, 483127790), (43, 471892260), (60, 338189453), (70, 289876674), (84, 241563895), (86, 235946130), (105, 193251116), (129, 157297420), (140, 144938337), (172, 117973065), (210, 96625558), (215, 94378452), (258, 78648710), (301, 67413180), (420, 48312779), (430, 47189226), (516, 39324355), (602, 33706590), (645, 31459484), (860, 23594613), (903, 22471060), (1204, 16853295), (1290, 15729742), (1505, 13482636), (1806, 11235530), (2580, 7864871), (3010, 6741318), (3612, 5617765), (4515, 4494212), (6020, 3370659), (9030, 2247106), (18060, 1123553)]