20186735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 27205632

約数和(自身を除く): 7018897

約数列:

[1, 5, 17, 31, 47, 85, 155, 163, 235, 527, 799, 815, 1457, 2635, 2771, 3995, 5053, 7285, 7661, 13855, 24769, 25265, 38305, 85901, 123845, 130237, 237491, 429505, 651185, 1187455, 4037347, 20186735]

約数ペア:

[(1, 20186735), (5, 4037347), (17, 1187455), (31, 651185), (47, 429505), (85, 237491), (155, 130237), (163, 123845), (235, 85901), (527, 38305), (799, 25265), (815, 24769), (1457, 13855), (2635, 7661), (2771, 7285), (3995, 5053)]