20608416

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:618

約数の個数: 72

約数和(自身を含む): 59099040

約数和(自身を除く): 38490624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 439, 489, 652, 878, 978, 1304, 1317, 1467, 1756, 1956, 2608, 2634, 2934, 3512, 3912, 3951, 5216, 5268, 5868, 7024, 7824, 7902, 10536, 11736, 14048, 15648, 15804, 21072, 23472, 31608, 42144, 46944, 63216, 71557, 126432, 143114, 214671, 286228, 429342, 572456, 644013, 858684, 1144912, 1288026, 1717368, 2289824, 2576052, 3434736, 5152104, 6869472, 10304208, 20608416]

約数ペア:

[(1, 20608416), (2, 10304208), (3, 6869472), (4, 5152104), (6, 3434736), (8, 2576052), (9, 2289824), (12, 1717368), (16, 1288026), (18, 1144912), (24, 858684), (32, 644013), (36, 572456), (48, 429342), (72, 286228), (96, 214671), (144, 143114), (163, 126432), (288, 71557), (326, 63216), (439, 46944), (489, 42144), (652, 31608), (878, 23472), (978, 21072), (1304, 15804), (1317, 15648), (1467, 14048), (1756, 11736), (1956, 10536), (2608, 7902), (2634, 7824), (2934, 7024), (3512, 5868), (3912, 5268), (3951, 5216)]