20742642

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 51226560

約数和(自身を除く): 30483918

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 81, 114, 138, 162, 171, 207, 293, 342, 414, 437, 513, 586, 621, 874, 879, 1026, 1242, 1311, 1539, 1758, 1863, 2622, 2637, 3078, 3726, 3933, 5274, 5567, 6739, 7866, 7911, 11134, 11799, 13478, 15822, 16701, 20217, 23598, 23733, 33402, 35397, 40434, 47466, 50103, 60651, 70794, 100206, 121302, 128041, 150309, 181953, 256082, 300618, 363906, 384123, 450927, 545859, 768246, 901854, 1091718, 1152369, 2304738, 3457107, 6914214, 10371321, 20742642]

約数ペア:

[(1, 20742642), (2, 10371321), (3, 6914214), (6, 3457107), (9, 2304738), (18, 1152369), (19, 1091718), (23, 901854), (27, 768246), (38, 545859), (46, 450927), (54, 384123), (57, 363906), (69, 300618), (81, 256082), (114, 181953), (138, 150309), (162, 128041), (171, 121302), (207, 100206), (293, 70794), (342, 60651), (414, 50103), (437, 47466), (513, 40434), (586, 35397), (621, 33402), (874, 23733), (879, 23598), (1026, 20217), (1242, 16701), (1311, 15822), (1539, 13478), (1758, 11799), (1863, 11134), (2622, 7911), (2637, 7866), (3078, 6739), (3726, 5567), (3933, 5274)]