20121485336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{96697}}^1$

素因数の和:96796

約数の個数: 48

約数和(自身を含む): 40816225800

約数和(自身を除く): 20694740464

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1369, 1406, 2738, 2812, 5476, 5624, 10952, 26011, 52022, 96697, 104044, 193394, 208088, 386788, 773576, 1837243, 3577789, 3674486, 7155578, 7348972, 14311156, 14697944, 28622312, 67977991, 132378193, 135955982, 264756386, 271911964, 529512772, 543823928, 1059025544, 2515185667, 5030371334, 10060742668, 20121485336]

約数ペア:

[(1, 20121485336), (2, 10060742668), (4, 5030371334), (8, 2515185667), (19, 1059025544), (37, 543823928), (38, 529512772), (74, 271911964), (76, 264756386), (148, 135955982), (152, 132378193), (296, 67977991), (703, 28622312), (1369, 14697944), (1406, 14311156), (2738, 7348972), (2812, 7155578), (5476, 3674486), (5624, 3577789), (10952, 1837243), (26011, 773576), (52022, 386788), (96697, 208088), (104044, 193394)]