201966020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{39293}}^1$

素因数の和:39559

約数の個数: 24

約数和(自身を含む): 425789784

約数和(自身を除く): 223823764

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 39293, 78586, 157172, 196465, 392930, 785860, 10098301, 20196602, 40393204, 50491505, 100983010, 201966020]

約数ペア:

[(1, 201966020), (2, 100983010), (4, 50491505), (5, 40393204), (10, 20196602), (20, 10098301), (257, 785860), (514, 392930), (1028, 196465), (1285, 157172), (2570, 78586), (5140, 39293)]