20122473357

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{7331}}^1$

素因数の和:7500

約数の個数: 80

約数和(自身を含む): 35430100992

約数和(自身を除く): 15307627635

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 103, 141, 189, 309, 329, 423, 567, 721, 927, 987, 1269, 2163, 2781, 2961, 3807, 4841, 6489, 7331, 8343, 8883, 14523, 19467, 21993, 26649, 33887, 43569, 51317, 58401, 65979, 101661, 130707, 153951, 197937, 304983, 344557, 392121, 461853, 593811, 755093, 914949, 1033671, 1385559, 2265279, 2411899, 2744847, 3101013, 4156677, 5285651, 6795837, 7235697, 9303039, 15856953, 20387511, 21707091, 27909117, 35489371, 47570859, 61162533, 65121273, 106468113, 142712577, 195363819, 248425597, 319404339, 428137731, 745276791, 958213017, 2235830373, 2874639051, 6707491119, 20122473357]

約数ペア:

[(1, 20122473357), (3, 6707491119), (7, 2874639051), (9, 2235830373), (21, 958213017), (27, 745276791), (47, 428137731), (63, 319404339), (81, 248425597), (103, 195363819), (141, 142712577), (189, 106468113), (309, 65121273), (329, 61162533), (423, 47570859), (567, 35489371), (721, 27909117), (927, 21707091), (987, 20387511), (1269, 15856953), (2163, 9303039), (2781, 7235697), (2961, 6795837), (3807, 5285651), (4841, 4156677), (6489, 3101013), (7331, 2744847), (8343, 2411899), (8883, 2265279), (14523, 1385559), (19467, 1033671), (21993, 914949), (26649, 755093), (33887, 593811), (43569, 461853), (51317, 392121), (58401, 344557), (65979, 304983), (101661, 197937), (130707, 153951)]