20162865

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 33656832

約数和(自身を除く): 13493967

約数列:

[1, 3, 5, 15, 31, 93, 131, 155, 331, 393, 465, 655, 993, 1655, 1965, 4061, 4965, 10261, 12183, 20305, 30783, 43361, 51305, 60915, 130083, 153915, 216805, 650415, 1344191, 4032573, 6720955, 20162865]

約数ペア:

[(1, 20162865), (3, 6720955), (5, 4032573), (15, 1344191), (31, 650415), (93, 216805), (131, 153915), (155, 130083), (331, 60915), (393, 51305), (465, 43361), (655, 30783), (993, 20305), (1655, 12183), (1965, 10261), (4061, 4965)]