20753360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11279}}^1$

素因数の和:11315

約数の個数: 40

約数和(自身を含む): 50353920

約数和(自身を除く): 29600560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11279, 22558, 45116, 56395, 90232, 112790, 180464, 225580, 259417, 451160, 518834, 902320, 1037668, 1297085, 2075336, 2594170, 4150672, 5188340, 10376680, 20753360]

約数ペア:

[(1, 20753360), (2, 10376680), (4, 5188340), (5, 4150672), (8, 2594170), (10, 2075336), (16, 1297085), (20, 1037668), (23, 902320), (40, 518834), (46, 451160), (80, 259417), (92, 225580), (115, 180464), (184, 112790), (230, 90232), (368, 56395), (460, 45116), (920, 22558), (1840, 11279)]