20584760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73517}}^1$

素因数の和:73535

約数の個数: 32

約数和(自身を含む): 52932960

約数和(自身を除く): 32348200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73517, 147034, 294068, 367585, 514619, 588136, 735170, 1029238, 1470340, 2058476, 2573095, 2940680, 4116952, 5146190, 10292380, 20584760]

約数ペア:

[(1, 20584760), (2, 10292380), (4, 5146190), (5, 4116952), (7, 2940680), (8, 2573095), (10, 2058476), (14, 1470340), (20, 1029238), (28, 735170), (35, 588136), (40, 514619), (56, 367585), (70, 294068), (140, 147034), (280, 73517)]