20804829129

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{10753}}^1$

素因数の和:11151

約数の個数: 64

約数和(自身を含む): 36546393600

約数和(自身を除く): 15741564471

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 353, 609, 783, 1059, 1827, 2471, 3177, 5481, 7413, 9531, 10237, 10753, 22239, 30711, 32259, 66717, 71659, 75271, 92133, 96777, 214977, 225813, 276399, 290331, 311837, 644931, 677439, 935511, 1934793, 2032317, 2182859, 2806533, 3795809, 6548577, 8419599, 11387427, 19645731, 26570663, 34162281, 58937193, 79711989, 102486843, 110078461, 239135967, 330235383, 717407901, 770549227, 990706149, 2311647681, 2972118447, 6934943043, 20804829129]

約数ペア:

[(1, 20804829129), (3, 6934943043), (7, 2972118447), (9, 2311647681), (21, 990706149), (27, 770549227), (29, 717407901), (63, 330235383), (87, 239135967), (189, 110078461), (203, 102486843), (261, 79711989), (353, 58937193), (609, 34162281), (783, 26570663), (1059, 19645731), (1827, 11387427), (2471, 8419599), (3177, 6548577), (5481, 3795809), (7413, 2806533), (9531, 2182859), (10237, 2032317), (10753, 1934793), (22239, 935511), (30711, 677439), (32259, 644931), (66717, 311837), (71659, 290331), (75271, 276399), (92133, 225813), (96777, 214977)]