20341503

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 39352320

約数和(自身を除く): 19010817

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 487, 663, 819, 1071, 1461, 1547, 1989, 2457, 3213, 3409, 4383, 4641, 5967, 6331, 8279, 10227, 13149, 13923, 18993, 24837, 30681, 41769, 44317, 56979, 57953, 74511, 92043, 107627, 132951, 170937, 173859, 223533, 322881, 398853, 521577, 753389, 968643, 1196559, 1564731, 2260167, 2905929, 6780501, 20341503]

約数ペア:

[(1, 20341503), (3, 6780501), (7, 2905929), (9, 2260167), (13, 1564731), (17, 1196559), (21, 968643), (27, 753389), (39, 521577), (51, 398853), (63, 322881), (91, 223533), (117, 173859), (119, 170937), (153, 132951), (189, 107627), (221, 92043), (273, 74511), (351, 57953), (357, 56979), (459, 44317), (487, 41769), (663, 30681), (819, 24837), (1071, 18993), (1461, 13923), (1547, 13149), (1989, 10227), (2457, 8279), (3213, 6331), (3409, 5967), (4383, 4641)]