20218353840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{28279}}^1$

素因数の和:28632

約数の個数: 160

約数和(自身を含む): 69853862400

約数和(自身を除く): 49635508560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 331, 360, 432, 540, 662, 720, 993, 1080, 1324, 1655, 1986, 2160, 2648, 2979, 3310, 3972, 4965, 5296, 5958, 6620, 7944, 8937, 9930, 11916, 13240, 14895, 15888, 17874, 19860, 23832, 26480, 28279, 29790, 35748, 39720, 44685, 47664, 56558, 59580, 71496, 79440, 84837, 89370, 113116, 119160, 141395, 142992, 169674, 178740, 226232, 238320, 254511, 282790, 339348, 357480, 424185, 452464, 509022, 565580, 678696, 714960, 763533, 848370, 1018044, 1131160, 1272555, 1357392, 1527066, 1696740, 2036088, 2262320, 2545110, 3054132, 3393480, 3817665, 4072176, 5090220, 6108264, 6786960, 7635330, 9360349, 10180440, 12216528, 15270660, 18720698, 20360880, 28081047, 30541320, 37441396, 46801745, 56162094, 61082640, 74882792, 84243141, 93603490, 112324188, 140405235, 149765584, 168486282, 187206980, 224648376, 252729423, 280810470, 336972564, 374413960, 421215705, 449296752, 505458846, 561620940, 673945128, 748827920, 842431410, 1010917692, 1123241880, 1263647115, 1347890256, 1684862820, 2021835384, 2246483760, 2527294230, 3369725640, 4043670768, 5054588460, 6739451280, 10109176920, 20218353840]

約数ペア:

[(1, 20218353840), (2, 10109176920), (3, 6739451280), (4, 5054588460), (5, 4043670768), (6, 3369725640), (8, 2527294230), (9, 2246483760), (10, 2021835384), (12, 1684862820), (15, 1347890256), (16, 1263647115), (18, 1123241880), (20, 1010917692), (24, 842431410), (27, 748827920), (30, 673945128), (36, 561620940), (40, 505458846), (45, 449296752), (48, 421215705), (54, 374413960), (60, 336972564), (72, 280810470), (80, 252729423), (90, 224648376), (108, 187206980), (120, 168486282), (135, 149765584), (144, 140405235), (180, 112324188), (216, 93603490), (240, 84243141), (270, 74882792), (331, 61082640), (360, 56162094), (432, 46801745), (540, 37441396), (662, 30541320), (720, 28081047), (993, 20360880), (1080, 18720698), (1324, 15270660), (1655, 12216528), (1986, 10180440), (2160, 9360349), (2648, 7635330), (2979, 6786960), (3310, 6108264), (3972, 5090220), (4965, 4072176), (5296, 3817665), (5958, 3393480), (6620, 3054132), (7944, 2545110), (8937, 2262320), (9930, 2036088), (11916, 1696740), (13240, 1527066), (14895, 1357392), (15888, 1272555), (17874, 1131160), (19860, 1018044), (23832, 848370), (26480, 763533), (28279, 714960), (29790, 678696), (35748, 565580), (39720, 509022), (44685, 452464), (47664, 424185), (56558, 357480), (59580, 339348), (71496, 282790), (79440, 254511), (84837, 238320), (89370, 226232), (113116, 178740), (119160, 169674), (141395, 142992)]