20818616

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28597}}^1$

素因数の和:28623

約数の個数: 32

約数和(自身を含む): 48044640

約数和(自身を除く): 27226024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28597, 57194, 114388, 200179, 228776, 371761, 400358, 743522, 800716, 1487044, 1601432, 2602327, 2974088, 5204654, 10409308, 20818616]

約数ペア:

[(1, 20818616), (2, 10409308), (4, 5204654), (7, 2974088), (8, 2602327), (13, 1601432), (14, 1487044), (26, 800716), (28, 743522), (52, 400358), (56, 371761), (91, 228776), (104, 200179), (182, 114388), (364, 57194), (728, 28597)]