20176936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10211}}^1$

素因数の和:10249

約数の個数: 32

約数和(自身を含む): 42890400

約数和(自身を除く): 22713464

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10211, 20422, 40844, 81688, 132743, 194009, 265486, 388018, 530972, 776036, 1061944, 1552072, 2522117, 5044234, 10088468, 20176936]

約数ペア:

[(1, 20176936), (2, 10088468), (4, 5044234), (8, 2522117), (13, 1552072), (19, 1061944), (26, 776036), (38, 530972), (52, 388018), (76, 265486), (104, 194009), (152, 132743), (247, 81688), (494, 40844), (988, 20422), (1976, 10211)]