20436688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41203}}^1$

素因数の和:41242

約数の個数: 20

約数和(自身を含む): 40874368

約数和(自身を除く): 20437680

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41203, 82406, 164812, 329624, 659248, 1277293, 2554586, 5109172, 10218344, 20436688]

約数ペア:

[(1, 20436688), (2, 10218344), (4, 5109172), (8, 2554586), (16, 1277293), (31, 659248), (62, 329624), (124, 164812), (248, 82406), (496, 41203)]