20713600

素因数分解:

$2^7\times 5^2\times {\mathrm{6473}}^1$

素因数の和:6497

約数の個数: 48

約数和(自身を含む): 51176970

約数和(自身を除く): 30463370

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6473, 12946, 25892, 32365, 51784, 64730, 103568, 129460, 161825, 207136, 258920, 323650, 414272, 517840, 647300, 828544, 1035680, 1294600, 2071360, 2589200, 4142720, 5178400, 10356800, 20713600]

約数ペア:

[(1, 20713600), (2, 10356800), (4, 5178400), (5, 4142720), (8, 2589200), (10, 2071360), (16, 1294600), (20, 1035680), (25, 828544), (32, 647300), (40, 517840), (50, 414272), (64, 323650), (80, 258920), (100, 207136), (128, 161825), (160, 129460), (200, 103568), (320, 64730), (400, 51784), (640, 32365), (800, 25892), (1600, 12946), (3200, 6473)]