20735604

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 55560960

約数和(自身を除く): 34825356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 316, 317, 414, 474, 634, 711, 828, 948, 951, 1268, 1422, 1817, 1902, 2844, 2853, 3634, 3804, 5451, 5706, 7268, 7291, 10902, 11412, 14582, 16353, 21804, 21873, 25043, 29164, 32706, 43746, 50086, 65412, 65619, 75129, 87492, 100172, 131238, 150258, 225387, 262476, 300516, 450774, 575989, 901548, 1151978, 1727967, 2303956, 3455934, 5183901, 6911868, 10367802, 20735604]

約数ペア:

[(1, 20735604), (2, 10367802), (3, 6911868), (4, 5183901), (6, 3455934), (9, 2303956), (12, 1727967), (18, 1151978), (23, 901548), (36, 575989), (46, 450774), (69, 300516), (79, 262476), (92, 225387), (138, 150258), (158, 131238), (207, 100172), (237, 87492), (276, 75129), (316, 65619), (317, 65412), (414, 50086), (474, 43746), (634, 32706), (711, 29164), (828, 25043), (948, 21873), (951, 21804), (1268, 16353), (1422, 14582), (1817, 11412), (1902, 10902), (2844, 7291), (2853, 7268), (3634, 5706), (3804, 5451)]