20123286272

素因数分解:

$2^8\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{4507}}^1$

素因数の和:4793

約数の個数: 72

約数和(自身を含む): 40801150656

約数和(自身を除く): 20677864384

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 163, 214, 256, 326, 428, 652, 856, 1304, 1712, 2608, 3424, 4507, 5216, 6848, 9014, 10432, 13696, 17441, 18028, 20864, 27392, 34882, 36056, 41728, 69764, 72112, 139528, 144224, 279056, 288448, 482249, 558112, 576896, 734641, 964498, 1116224, 1153792, 1469282, 1928996, 2232448, 2938564, 3857992, 4464896, 5877128, 7715984, 11754256, 15431968, 23508512, 30863936, 47017024, 61727872, 78606587, 94034048, 123455744, 157213174, 188068096, 314426348, 628852696, 1257705392, 2515410784, 5030821568, 10061643136, 20123286272]

約数ペア:

[(1, 20123286272), (2, 10061643136), (4, 5030821568), (8, 2515410784), (16, 1257705392), (32, 628852696), (64, 314426348), (107, 188068096), (128, 157213174), (163, 123455744), (214, 94034048), (256, 78606587), (326, 61727872), (428, 47017024), (652, 30863936), (856, 23508512), (1304, 15431968), (1712, 11754256), (2608, 7715984), (3424, 5877128), (4507, 4464896), (5216, 3857992), (6848, 2938564), (9014, 2232448), (10432, 1928996), (13696, 1469282), (17441, 1153792), (18028, 1116224), (20864, 964498), (27392, 734641), (34882, 576896), (36056, 558112), (41728, 482249), (69764, 288448), (72112, 279056), (139528, 144224)]