20121542

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 36163584

約数和(自身を除く): 16042042

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 653, 994, 1306, 2201, 4402, 4571, 9142, 15407, 20243, 30814, 40486, 46363, 92726, 141701, 283402, 324541, 649082, 1437253, 2874506, 10060771, 20121542]

約数ペア:

[(1, 20121542), (2, 10060771), (7, 2874506), (14, 1437253), (31, 649082), (62, 324541), (71, 283402), (142, 141701), (217, 92726), (434, 46363), (497, 40486), (653, 30814), (994, 20243), (1306, 15407), (2201, 9142), (4402, 4571)]