20475624

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 59673600

約数和(自身を除く): 39197976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 31, 39, 52, 58, 62, 73, 78, 87, 93, 104, 116, 124, 146, 156, 174, 186, 219, 232, 248, 292, 312, 348, 372, 377, 403, 438, 584, 696, 744, 754, 806, 876, 899, 949, 1131, 1209, 1508, 1612, 1752, 1798, 1898, 2117, 2262, 2263, 2418, 2697, 2847, 3016, 3224, 3596, 3796, 4234, 4524, 4526, 4836, 5394, 5694, 6351, 6789, 7192, 7592, 8468, 9048, 9052, 9672, 10788, 11388, 11687, 12702, 13578, 16936, 18104, 21576, 22776, 23374, 25404, 27156, 27521, 29419, 35061, 46748, 50808, 54312, 55042, 58838, 65627, 70122, 82563, 88257, 93496, 110084, 117676, 131254, 140244, 165126, 176514, 196881, 220168, 235352, 262508, 280488, 330252, 353028, 393762, 525016, 660504, 706056, 787524, 853151, 1575048, 1706302, 2559453, 3412604, 5118906, 6825208, 10237812, 20475624]

約数ペア:

[(1, 20475624), (2, 10237812), (3, 6825208), (4, 5118906), (6, 3412604), (8, 2559453), (12, 1706302), (13, 1575048), (24, 853151), (26, 787524), (29, 706056), (31, 660504), (39, 525016), (52, 393762), (58, 353028), (62, 330252), (73, 280488), (78, 262508), (87, 235352), (93, 220168), (104, 196881), (116, 176514), (124, 165126), (146, 140244), (156, 131254), (174, 117676), (186, 110084), (219, 93496), (232, 88257), (248, 82563), (292, 70122), (312, 65627), (348, 58838), (372, 55042), (377, 54312), (403, 50808), (438, 46748), (584, 35061), (696, 29419), (744, 27521), (754, 27156), (806, 25404), (876, 23374), (899, 22776), (949, 21576), (1131, 18104), (1209, 16936), (1508, 13578), (1612, 12702), (1752, 11687), (1798, 11388), (1898, 10788), (2117, 9672), (2262, 9052), (2263, 9048), (2418, 8468), (2697, 7592), (2847, 7192), (3016, 6789), (3224, 6351), (3596, 5694), (3796, 5394), (4234, 4836), (4524, 4526)]