20531648

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 56

約数和(自身を含む): 43781472

約数和(自身を除く): 23249824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 113, 136, 167, 226, 272, 334, 452, 544, 668, 904, 1088, 1336, 1808, 1921, 2672, 2839, 3616, 3842, 5344, 5678, 7232, 7684, 10688, 11356, 15368, 18871, 22712, 30736, 37742, 45424, 61472, 75484, 90848, 122944, 150968, 181696, 301936, 320807, 603872, 641614, 1207744, 1283228, 2566456, 5132912, 10265824, 20531648]

約数ペア:

[(1, 20531648), (2, 10265824), (4, 5132912), (8, 2566456), (16, 1283228), (17, 1207744), (32, 641614), (34, 603872), (64, 320807), (68, 301936), (113, 181696), (136, 150968), (167, 122944), (226, 90848), (272, 75484), (334, 61472), (452, 45424), (544, 37742), (668, 30736), (904, 22712), (1088, 18871), (1336, 15368), (1808, 11356), (1921, 10688), (2672, 7684), (2839, 7232), (3616, 5678), (3842, 5344)]