20124436900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^3\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 46769662800

約数和(自身を除く): 26645225900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 137, 145, 148, 185, 274, 290, 370, 548, 580, 685, 725, 740, 925, 1073, 1369, 1370, 1450, 1850, 2146, 2738, 2740, 2900, 3425, 3700, 3973, 4292, 5069, 5365, 5476, 6845, 6850, 7946, 10138, 10730, 13690, 13700, 15892, 19865, 20276, 21460, 25345, 26825, 27380, 34225, 39701, 39730, 50653, 50690, 53650, 68450, 79402, 79460, 99325, 101306, 101380, 107300, 126725, 136900, 147001, 158804, 187553, 198505, 198650, 202612, 253265, 253450, 294002, 375106, 397010, 397300, 506530, 506900, 588004, 735005, 750212, 794020, 937765, 992525, 1013060, 1266325, 1468937, 1470010, 1875530, 1985050, 2532650, 2937874, 2940020, 3675025, 3751060, 3970100, 4688825, 5065300, 5439037, 5875748, 6939461, 7344685, 7350050, 9377650, 10878074, 13878922, 14689370, 14700100, 18755300, 21756148, 27195185, 27757844, 29378740, 34697305, 36723425, 54390370, 69394610, 73446850, 108780740, 135975925, 138789220, 146893700, 173486525, 201244369, 271951850, 346973050, 402488738, 543903700, 693946100, 804977476, 1006221845, 2012443690, 4024887380, 5031109225, 10062218450, 20124436900]

約数ペア:

[(1, 20124436900), (2, 10062218450), (4, 5031109225), (5, 4024887380), (10, 2012443690), (20, 1006221845), (25, 804977476), (29, 693946100), (37, 543903700), (50, 402488738), (58, 346973050), (74, 271951850), (100, 201244369), (116, 173486525), (137, 146893700), (145, 138789220), (148, 135975925), (185, 108780740), (274, 73446850), (290, 69394610), (370, 54390370), (548, 36723425), (580, 34697305), (685, 29378740), (725, 27757844), (740, 27195185), (925, 21756148), (1073, 18755300), (1369, 14700100), (1370, 14689370), (1450, 13878922), (1850, 10878074), (2146, 9377650), (2738, 7350050), (2740, 7344685), (2900, 6939461), (3425, 5875748), (3700, 5439037), (3973, 5065300), (4292, 4688825), (5069, 3970100), (5365, 3751060), (5476, 3675025), (6845, 2940020), (6850, 2937874), (7946, 2532650), (10138, 1985050), (10730, 1875530), (13690, 1470010), (13700, 1468937), (15892, 1266325), (19865, 1013060), (20276, 992525), (21460, 937765), (25345, 794020), (26825, 750212), (27380, 735005), (34225, 588004), (39701, 506900), (39730, 506530), (50653, 397300), (50690, 397010), (53650, 375106), (68450, 294002), (79402, 253450), (79460, 253265), (99325, 202612), (101306, 198650), (101380, 198505), (107300, 187553), (126725, 158804), (136900, 147001)]