20318328

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 58687200

約数和(自身を除く): 38368872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 37, 58, 72, 74, 87, 111, 116, 148, 174, 222, 232, 261, 263, 296, 333, 348, 444, 522, 526, 666, 696, 789, 888, 1044, 1052, 1073, 1332, 1578, 2088, 2104, 2146, 2367, 2664, 3156, 3219, 4292, 4734, 6312, 6438, 7627, 8584, 9468, 9657, 9731, 12876, 15254, 18936, 19314, 19462, 22881, 25752, 29193, 30508, 38628, 38924, 45762, 58386, 61016, 68643, 77256, 77848, 87579, 91524, 116772, 137286, 175158, 183048, 233544, 274572, 282199, 350316, 549144, 564398, 700632, 846597, 1128796, 1693194, 2257592, 2539791, 3386388, 5079582, 6772776, 10159164, 20318328]

約数ペア:

[(1, 20318328), (2, 10159164), (3, 6772776), (4, 5079582), (6, 3386388), (8, 2539791), (9, 2257592), (12, 1693194), (18, 1128796), (24, 846597), (29, 700632), (36, 564398), (37, 549144), (58, 350316), (72, 282199), (74, 274572), (87, 233544), (111, 183048), (116, 175158), (148, 137286), (174, 116772), (222, 91524), (232, 87579), (261, 77848), (263, 77256), (296, 68643), (333, 61016), (348, 58386), (444, 45762), (522, 38924), (526, 38628), (666, 30508), (696, 29193), (789, 25752), (888, 22881), (1044, 19462), (1052, 19314), (1073, 18936), (1332, 15254), (1578, 12876), (2088, 9731), (2104, 9657), (2146, 9468), (2367, 8584), (2664, 7627), (3156, 6438), (3219, 6312), (4292, 4734)]