20193388

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 15898052

約数列:

[1, 2, 4, 89, 131, 178, 262, 356, 433, 524, 866, 1732, 11659, 23318, 38537, 46636, 56723, 77074, 113446, 154148, 226892, 5048347, 10096694, 20193388]

約数ペア:

[(1, 20193388), (2, 10096694), (4, 5048347), (89, 226892), (131, 154148), (178, 113446), (262, 77074), (356, 56723), (433, 46636), (524, 38537), (866, 23318), (1732, 11659)]