20974504

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19244696

約数列:

[1, 2, 4, 8, 97, 151, 179, 194, 302, 358, 388, 604, 716, 776, 1208, 1432, 14647, 17363, 27029, 29294, 34726, 54058, 58588, 69452, 108116, 117176, 138904, 216232, 2621813, 5243626, 10487252, 20974504]

約数ペア:

[(1, 20974504), (2, 10487252), (4, 5243626), (8, 2621813), (97, 216232), (151, 138904), (179, 117176), (194, 108116), (302, 69452), (358, 58588), (388, 54058), (604, 34726), (716, 29294), (776, 27029), (1208, 17363), (1432, 14647)]