20745036

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2333}}^1$

素因数の和:2375

約数の個数: 72

約数和(自身を含む): 59470320

約数和(自身を除く): 38725284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2333, 2964, 4446, 4666, 6999, 8892, 9332, 13998, 20997, 27996, 30329, 41994, 44327, 60658, 83988, 88654, 90987, 121316, 132981, 177308, 181974, 265962, 272961, 363948, 398943, 531924, 545922, 576251, 797886, 1091844, 1152502, 1595772, 1728753, 2305004, 3457506, 5186259, 6915012, 10372518, 20745036]

約数ペア:

[(1, 20745036), (2, 10372518), (3, 6915012), (4, 5186259), (6, 3457506), (9, 2305004), (12, 1728753), (13, 1595772), (18, 1152502), (19, 1091844), (26, 797886), (36, 576251), (38, 545922), (39, 531924), (52, 398943), (57, 363948), (76, 272961), (78, 265962), (114, 181974), (117, 177308), (156, 132981), (171, 121316), (228, 90987), (234, 88654), (247, 83988), (342, 60658), (468, 44327), (494, 41994), (684, 30329), (741, 27996), (988, 20997), (1482, 13998), (2223, 9332), (2333, 8892), (2964, 6999), (4446, 4666)]