20974128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62423}}^1$

素因数の和:62441

約数の個数: 40

約数和(自身を含む): 61924608

約数和(自身を除く): 40950480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62423, 124846, 187269, 249692, 374538, 436961, 499384, 749076, 873922, 998768, 1310883, 1498152, 1747844, 2621766, 2996304, 3495688, 5243532, 6991376, 10487064, 20974128]

約数ペア:

[(1, 20974128), (2, 10487064), (3, 6991376), (4, 5243532), (6, 3495688), (7, 2996304), (8, 2621766), (12, 1747844), (14, 1498152), (16, 1310883), (21, 998768), (24, 873922), (28, 749076), (42, 499384), (48, 436961), (56, 374538), (84, 249692), (112, 187269), (168, 124846), (336, 62423)]