16688380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13679}}^1$

素因数の和:13749

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 18934340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13679, 27358, 54716, 68395, 136790, 273580, 834419, 1668838, 3337676, 4172095, 8344190, 16688380]

約数ペア:

[(1, 16688380), (2, 8344190), (4, 4172095), (5, 3337676), (10, 1668838), (20, 834419), (61, 273580), (122, 136790), (244, 68395), (305, 54716), (610, 27358), (1220, 13679)]