20655393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 31617024

約数和(自身を除く): 10961631

約数列:

[1, 3, 11, 31, 33, 61, 93, 183, 331, 341, 671, 993, 1023, 1891, 2013, 3641, 5673, 10261, 10923, 20191, 20801, 30783, 60573, 62403, 112871, 222101, 338613, 625921, 666303, 1877763, 6885131, 20655393]

約数ペア:

[(1, 20655393), (3, 6885131), (11, 1877763), (31, 666303), (33, 625921), (61, 338613), (93, 222101), (183, 112871), (331, 62403), (341, 60573), (671, 30783), (993, 20801), (1023, 20191), (1891, 10923), (2013, 10261), (3641, 5673)]