20317284

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 58800000

約数和(自身を除く): 38482716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 174, 234, 261, 348, 351, 377, 468, 499, 522, 702, 754, 783, 998, 1044, 1131, 1404, 1497, 1508, 1566, 1996, 2262, 2994, 3132, 3393, 4491, 4524, 5988, 6487, 6786, 8982, 10179, 12974, 13473, 13572, 14471, 17964, 19461, 20358, 25948, 26946, 28942, 38922, 40716, 43413, 53892, 57884, 58383, 77844, 86826, 116766, 130239, 173652, 175149, 188123, 233532, 260478, 350298, 376246, 390717, 520956, 564369, 700596, 752492, 781434, 1128738, 1562868, 1693107, 2257476, 3386214, 5079321, 6772428, 10158642, 20317284]

約数ペア:

[(1, 20317284), (2, 10158642), (3, 6772428), (4, 5079321), (6, 3386214), (9, 2257476), (12, 1693107), (13, 1562868), (18, 1128738), (26, 781434), (27, 752492), (29, 700596), (36, 564369), (39, 520956), (52, 390717), (54, 376246), (58, 350298), (78, 260478), (87, 233532), (108, 188123), (116, 175149), (117, 173652), (156, 130239), (174, 116766), (234, 86826), (261, 77844), (348, 58383), (351, 57884), (377, 53892), (468, 43413), (499, 40716), (522, 38922), (702, 28942), (754, 26946), (783, 25948), (998, 20358), (1044, 19461), (1131, 17964), (1404, 14471), (1497, 13572), (1508, 13473), (1566, 12974), (1996, 10179), (2262, 8982), (2994, 6786), (3132, 6487), (3393, 5988), (4491, 4524)]