20183931688

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{2503}}^1\times {\mathrm{14197}}^1$

素因数の和:16777

約数の個数: 32

約数和(自身を含む): 38395935360

約数和(自身を除く): 18212003672

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 2503, 5006, 10012, 14197, 20024, 28394, 56788, 113576, 177713, 355426, 710852, 1007987, 1421704, 2015974, 4031948, 8063896, 35535091, 71070182, 142140364, 284280728, 2522991461, 5045982922, 10091965844, 20183931688]

約数ペア:

[(1, 20183931688), (2, 10091965844), (4, 5045982922), (8, 2522991461), (71, 284280728), (142, 142140364), (284, 71070182), (568, 35535091), (2503, 8063896), (5006, 4031948), (10012, 2015974), (14197, 1421704), (20024, 1007987), (28394, 710852), (56788, 355426), (113576, 177713)]