20328516

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14479}}^1$

素因数の和:14505

約数の個数: 48

約数和(自身を含む): 56761600

約数和(自身を除く): 36433084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14479, 28958, 43437, 57916, 86874, 130311, 173748, 188227, 260622, 376454, 390933, 521244, 564681, 752908, 781866, 1129362, 1563732, 1694043, 2258724, 3388086, 5082129, 6776172, 10164258, 20328516]

約数ペア:

[(1, 20328516), (2, 10164258), (3, 6776172), (4, 5082129), (6, 3388086), (9, 2258724), (12, 1694043), (13, 1563732), (18, 1129362), (26, 781866), (27, 752908), (36, 564681), (39, 521244), (52, 390933), (54, 376454), (78, 260622), (108, 188227), (117, 173748), (156, 130311), (234, 86874), (351, 57916), (468, 43437), (702, 28958), (1404, 14479)]