20178051334

素因数分解:

$2^1\times 7^3\times {\mathrm{271}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 35642880000

約数和(自身を除く): 15464828666

約数列:

[1, 2, 7, 14, 49, 98, 271, 311, 343, 349, 542, 622, 686, 698, 1897, 2177, 2443, 3794, 4354, 4886, 13279, 15239, 17101, 26558, 30478, 34202, 84281, 92953, 94579, 106673, 108539, 119707, 168562, 185906, 189158, 213346, 217078, 239414, 589967, 662053, 759773, 1179934, 1324106, 1519546, 4129769, 4634371, 5318411, 8259538, 9268742, 10636822, 28908383, 29414069, 32440597, 37228877, 57816766, 58828138, 64881194, 74457754, 205898483, 411796966, 1441289381, 2882578762, 10089025667, 20178051334]

約数ペア:

[(1, 20178051334), (2, 10089025667), (7, 2882578762), (14, 1441289381), (49, 411796966), (98, 205898483), (271, 74457754), (311, 64881194), (343, 58828138), (349, 57816766), (542, 37228877), (622, 32440597), (686, 29414069), (698, 28908383), (1897, 10636822), (2177, 9268742), (2443, 8259538), (3794, 5318411), (4354, 4634371), (4886, 4129769), (13279, 1519546), (15239, 1324106), (17101, 1179934), (26558, 759773), (30478, 662053), (34202, 589967), (84281, 239414), (92953, 217078), (94579, 213346), (106673, 189158), (108539, 185906), (119707, 168562)]