20950240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5693}}^1$

素因数の和:5731

約数の個数: 48

約数和(自身を含む): 51655968

約数和(自身を除く): 30705728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5693, 11386, 22772, 28465, 45544, 56930, 91088, 113860, 130939, 182176, 227720, 261878, 455440, 523756, 654695, 910880, 1047512, 1309390, 2095024, 2618780, 4190048, 5237560, 10475120, 20950240]

約数ペア:

[(1, 20950240), (2, 10475120), (4, 5237560), (5, 4190048), (8, 2618780), (10, 2095024), (16, 1309390), (20, 1047512), (23, 910880), (32, 654695), (40, 523756), (46, 455440), (80, 261878), (92, 227720), (115, 182176), (160, 130939), (184, 113860), (230, 91088), (368, 56930), (460, 45544), (736, 28465), (920, 22772), (1840, 11386), (3680, 5693)]