20391552

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 60677760

約数和(自身を除く): 40286208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 558, 571, 576, 744, 992, 1116, 1142, 1152, 1488, 1713, 1984, 2232, 2284, 2976, 3426, 3968, 4464, 4568, 5139, 5952, 6852, 8928, 9136, 10278, 11904, 13704, 17701, 17856, 18272, 20556, 27408, 35402, 35712, 36544, 41112, 53103, 54816, 70804, 73088, 82224, 106206, 109632, 141608, 159309, 164448, 212412, 219264, 283216, 318618, 328896, 424824, 566432, 637236, 657792, 849648, 1132864, 1274472, 1699296, 2265728, 2548944, 3398592, 5097888, 6797184, 10195776, 20391552]

約数ペア:

[(1, 20391552), (2, 10195776), (3, 6797184), (4, 5097888), (6, 3398592), (8, 2548944), (9, 2265728), (12, 1699296), (16, 1274472), (18, 1132864), (24, 849648), (31, 657792), (32, 637236), (36, 566432), (48, 424824), (62, 328896), (64, 318618), (72, 283216), (93, 219264), (96, 212412), (124, 164448), (128, 159309), (144, 141608), (186, 109632), (192, 106206), (248, 82224), (279, 73088), (288, 70804), (372, 54816), (384, 53103), (496, 41112), (558, 36544), (571, 35712), (576, 35402), (744, 27408), (992, 20556), (1116, 18272), (1142, 17856), (1152, 17701), (1488, 13704), (1713, 11904), (1984, 10278), (2232, 9136), (2284, 8928), (2976, 6852), (3426, 5952), (3968, 5139), (4464, 4568)]