20318928

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 62594208

約数和(自身を除く): 42275280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 53, 56, 84, 98, 106, 112, 147, 159, 163, 168, 196, 212, 294, 318, 326, 336, 371, 392, 424, 489, 588, 636, 652, 742, 784, 848, 978, 1113, 1141, 1176, 1272, 1304, 1484, 1956, 2226, 2282, 2352, 2544, 2597, 2608, 2968, 3423, 3912, 4452, 4564, 5194, 5936, 6846, 7791, 7824, 7987, 8639, 8904, 9128, 10388, 13692, 15582, 15974, 17278, 17808, 18256, 20776, 23961, 25917, 27384, 31164, 31948, 34556, 41552, 47922, 51834, 54768, 60473, 62328, 63896, 69112, 95844, 103668, 120946, 124656, 127792, 138224, 181419, 191688, 207336, 241892, 362838, 383376, 414672, 423311, 483784, 725676, 846622, 967568, 1269933, 1451352, 1693244, 2539866, 2902704, 3386488, 5079732, 6772976, 10159464, 20318928]

約数ペア:

[(1, 20318928), (2, 10159464), (3, 6772976), (4, 5079732), (6, 3386488), (7, 2902704), (8, 2539866), (12, 1693244), (14, 1451352), (16, 1269933), (21, 967568), (24, 846622), (28, 725676), (42, 483784), (48, 423311), (49, 414672), (53, 383376), (56, 362838), (84, 241892), (98, 207336), (106, 191688), (112, 181419), (147, 138224), (159, 127792), (163, 124656), (168, 120946), (196, 103668), (212, 95844), (294, 69112), (318, 63896), (326, 62328), (336, 60473), (371, 54768), (392, 51834), (424, 47922), (489, 41552), (588, 34556), (636, 31948), (652, 31164), (742, 27384), (784, 25917), (848, 23961), (978, 20776), (1113, 18256), (1141, 17808), (1176, 17278), (1272, 15974), (1304, 15582), (1484, 13692), (1956, 10388), (2226, 9128), (2282, 8904), (2352, 8639), (2544, 7987), (2597, 7824), (2608, 7791), (2968, 6846), (3423, 5936), (3912, 5194), (4452, 4564)]