20102446

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18967634

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 509, 637, 806, 1018, 1274, 1519, 2821, 3038, 3563, 5642, 6617, 7126, 13234, 15779, 19747, 24941, 31558, 39494, 46319, 49882, 92638, 110453, 205127, 220906, 324233, 410254, 648466, 773171, 1435889, 1546342, 2871778, 10051223, 20102446]

約数ペア:

[(1, 20102446), (2, 10051223), (7, 2871778), (13, 1546342), (14, 1435889), (26, 773171), (31, 648466), (49, 410254), (62, 324233), (91, 220906), (98, 205127), (182, 110453), (217, 92638), (403, 49882), (434, 46319), (509, 39494), (637, 31558), (806, 24941), (1018, 19747), (1274, 15779), (1519, 13234), (2821, 7126), (3038, 6617), (3563, 5642)]