20098323

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 15125229

約数列:

[1, 3, 7, 9, 21, 31, 41, 63, 93, 123, 217, 251, 279, 287, 369, 651, 753, 861, 1271, 1757, 1953, 2259, 2583, 3813, 5271, 7781, 8897, 10291, 11439, 15813, 23343, 26691, 30873, 54467, 70029, 72037, 80073, 92619, 163401, 216111, 319021, 490203, 648333, 957063, 2233147, 2871189, 6699441, 20098323]

約数ペア:

[(1, 20098323), (3, 6699441), (7, 2871189), (9, 2233147), (21, 957063), (31, 648333), (41, 490203), (63, 319021), (93, 216111), (123, 163401), (217, 92619), (251, 80073), (279, 72037), (287, 70029), (369, 54467), (651, 30873), (753, 26691), (861, 23343), (1271, 15813), (1757, 11439), (1953, 10291), (2259, 8897), (2583, 7781), (3813, 5271)]