20347788412

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{3943}}^1$

素因数の和:4307

約数の個数: 72

約数和(自身を含む): 41978847456

約数和(自身を除く): 21631059044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 233, 452, 466, 791, 932, 1582, 1631, 3164, 3262, 3943, 5537, 6524, 7886, 11074, 11417, 15772, 22148, 22834, 26329, 27601, 45668, 52658, 55202, 105316, 110404, 184303, 193207, 368606, 386414, 445559, 737212, 772828, 891118, 918719, 1290121, 1782236, 1837438, 2580242, 3118913, 3674876, 5160484, 6237826, 6431033, 12475652, 12862066, 21832391, 25724132, 43664782, 45017231, 87329564, 90034462, 103815247, 180068924, 207630494, 415260988, 726706729, 1453413458, 2906826916, 5086947103, 10173894206, 20347788412]

約数ペア:

[(1, 20347788412), (2, 10173894206), (4, 5086947103), (7, 2906826916), (14, 1453413458), (28, 726706729), (49, 415260988), (98, 207630494), (113, 180068924), (196, 103815247), (226, 90034462), (233, 87329564), (452, 45017231), (466, 43664782), (791, 25724132), (932, 21832391), (1582, 12862066), (1631, 12475652), (3164, 6431033), (3262, 6237826), (3943, 5160484), (5537, 3674876), (6524, 3118913), (7886, 2580242), (11074, 1837438), (11417, 1782236), (15772, 1290121), (22148, 918719), (22834, 891118), (26329, 772828), (27601, 737212), (45668, 445559), (52658, 386414), (55202, 368606), (105316, 193207), (110404, 184303)]