20348534192

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{13469}}^1$

素因数の和:13579

約数の個数: 120

約数和(自身を含む): 47983803840

約数和(自身を除く): 27635269648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 47, 49, 56, 82, 94, 98, 112, 164, 188, 196, 287, 328, 329, 376, 392, 574, 656, 658, 752, 784, 1148, 1316, 1927, 2009, 2296, 2303, 2632, 3854, 4018, 4592, 4606, 5264, 7708, 8036, 9212, 13469, 13489, 15416, 16072, 18424, 26938, 26978, 30832, 32144, 36848, 53876, 53956, 94283, 94423, 107752, 107912, 188566, 188846, 215504, 215824, 377132, 377692, 552229, 633043, 659981, 754264, 755384, 1104458, 1266086, 1319962, 1508528, 1510768, 2208916, 2532172, 2639924, 3865603, 4417832, 4431301, 5064344, 5279848, 7731206, 8835664, 8862602, 10128688, 10559696, 15462412, 17725204, 25954763, 27059221, 30924824, 31019107, 35450408, 51909526, 54118442, 61849648, 62038214, 70900816, 103819052, 108236884, 124076428, 181683341, 207638104, 216473768, 248152856, 363366682, 415276208, 432947536, 496305712, 726733364, 1271783387, 1453466728, 2543566774, 2906933456, 5087133548, 10174267096, 20348534192]

約数ペア:

[(1, 20348534192), (2, 10174267096), (4, 5087133548), (7, 2906933456), (8, 2543566774), (14, 1453466728), (16, 1271783387), (28, 726733364), (41, 496305712), (47, 432947536), (49, 415276208), (56, 363366682), (82, 248152856), (94, 216473768), (98, 207638104), (112, 181683341), (164, 124076428), (188, 108236884), (196, 103819052), (287, 70900816), (328, 62038214), (329, 61849648), (376, 54118442), (392, 51909526), (574, 35450408), (656, 31019107), (658, 30924824), (752, 27059221), (784, 25954763), (1148, 17725204), (1316, 15462412), (1927, 10559696), (2009, 10128688), (2296, 8862602), (2303, 8835664), (2632, 7731206), (3854, 5279848), (4018, 5064344), (4592, 4431301), (4606, 4417832), (5264, 3865603), (7708, 2639924), (8036, 2532172), (9212, 2208916), (13469, 1510768), (13489, 1508528), (15416, 1319962), (16072, 1266086), (18424, 1104458), (26938, 755384), (26978, 754264), (30832, 659981), (32144, 633043), (36848, 552229), (53876, 377692), (53956, 377132), (94283, 215824), (94423, 215504), (107752, 188846), (107912, 188566)]