20236688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:591

約数の個数: 40

約数和(自身を含む): 41330688

約数和(自身を除く): 21094000

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 433, 508, 866, 1016, 1732, 2032, 2921, 3464, 5842, 6928, 9959, 11684, 19918, 23368, 39836, 46736, 54991, 79672, 109982, 159344, 219964, 439928, 879856, 1264793, 2529586, 5059172, 10118344, 20236688]

約数ペア:

[(1, 20236688), (2, 10118344), (4, 5059172), (8, 2529586), (16, 1264793), (23, 879856), (46, 439928), (92, 219964), (127, 159344), (184, 109982), (254, 79672), (368, 54991), (433, 46736), (508, 39836), (866, 23368), (1016, 19918), (1732, 11684), (2032, 9959), (2921, 6928), (3464, 5842)]