20210257424

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{179909}}^1$

素因数の和:180000

約数の個数: 80

約数和(自身を含む): 48187094400

約数和(自身を除く): 27976836976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 59, 68, 112, 118, 119, 136, 236, 238, 272, 413, 472, 476, 826, 944, 952, 1003, 1652, 1904, 2006, 3304, 4012, 6608, 7021, 8024, 14042, 16048, 28084, 56168, 112336, 179909, 359818, 719636, 1259363, 1439272, 2518726, 2878544, 3058453, 5037452, 6116906, 10074904, 10614631, 12233812, 20149808, 21229262, 21409171, 24467624, 42458524, 42818342, 48935248, 74302417, 84917048, 85636684, 148604834, 169834096, 171273368, 180448727, 297209668, 342546736, 360897454, 594419336, 721794908, 1188838672, 1263141089, 1443589816, 2526282178, 2887179632, 5052564356, 10105128712, 20210257424]

約数ペア:

[(1, 20210257424), (2, 10105128712), (4, 5052564356), (7, 2887179632), (8, 2526282178), (14, 1443589816), (16, 1263141089), (17, 1188838672), (28, 721794908), (34, 594419336), (56, 360897454), (59, 342546736), (68, 297209668), (112, 180448727), (118, 171273368), (119, 169834096), (136, 148604834), (236, 85636684), (238, 84917048), (272, 74302417), (413, 48935248), (472, 42818342), (476, 42458524), (826, 24467624), (944, 21409171), (952, 21229262), (1003, 20149808), (1652, 12233812), (1904, 10614631), (2006, 10074904), (3304, 6116906), (4012, 5037452), (6608, 3058453), (7021, 2878544), (8024, 2518726), (14042, 1439272), (16048, 1259363), (28084, 719636), (56168, 359818), (112336, 179909)]