20925216

素因数分解:

$2^5\times 3^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 192

約数和(自身を含む): 69431040

約数和(自身を除く): 48505824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 32, 36, 39, 46, 48, 52, 54, 69, 72, 78, 81, 92, 96, 104, 108, 117, 138, 144, 156, 162, 184, 207, 208, 216, 234, 243, 276, 288, 299, 312, 324, 351, 368, 414, 416, 432, 468, 486, 552, 598, 621, 624, 648, 702, 729, 736, 828, 864, 897, 936, 972, 1053, 1104, 1196, 1242, 1248, 1296, 1404, 1458, 1656, 1794, 1863, 1872, 1944, 2106, 2187, 2208, 2392, 2484, 2592, 2691, 2808, 2916, 3159, 3312, 3588, 3726, 3744, 3888, 4212, 4374, 4784, 4968, 5382, 5589, 5616, 5832, 6318, 6624, 7176, 7452, 7776, 8073, 8424, 8748, 9477, 9568, 9936, 10764, 11178, 11232, 11664, 12636, 14352, 14904, 16146, 16767, 16848, 17496, 18954, 19872, 21528, 22356, 23328, 24219, 25272, 28431, 28704, 29808, 32292, 33534, 33696, 34992, 37908, 43056, 44712, 48438, 50301, 50544, 56862, 59616, 64584, 67068, 69984, 72657, 75816, 86112, 89424, 96876, 100602, 101088, 113724, 129168, 134136, 145314, 151632, 178848, 193752, 201204, 217971, 227448, 258336, 268272, 290628, 303264, 387504, 402408, 435942, 454896, 536544, 581256, 653913, 775008, 804816, 871884, 909792, 1162512, 1307826, 1609632, 1743768, 2325024, 2615652, 3487536, 5231304, 6975072, 10462608, 20925216]

約数ペア:

[(1, 20925216), (2, 10462608), (3, 6975072), (4, 5231304), (6, 3487536), (8, 2615652), (9, 2325024), (12, 1743768), (13, 1609632), (16, 1307826), (18, 1162512), (23, 909792), (24, 871884), (26, 804816), (27, 775008), (32, 653913), (36, 581256), (39, 536544), (46, 454896), (48, 435942), (52, 402408), (54, 387504), (69, 303264), (72, 290628), (78, 268272), (81, 258336), (92, 227448), (96, 217971), (104, 201204), (108, 193752), (117, 178848), (138, 151632), (144, 145314), (156, 134136), (162, 129168), (184, 113724), (207, 101088), (208, 100602), (216, 96876), (234, 89424), (243, 86112), (276, 75816), (288, 72657), (299, 69984), (312, 67068), (324, 64584), (351, 59616), (368, 56862), (414, 50544), (416, 50301), (432, 48438), (468, 44712), (486, 43056), (552, 37908), (598, 34992), (621, 33696), (624, 33534), (648, 32292), (702, 29808), (729, 28704), (736, 28431), (828, 25272), (864, 24219), (897, 23328), (936, 22356), (972, 21528), (1053, 19872), (1104, 18954), (1196, 17496), (1242, 16848), (1248, 16767), (1296, 16146), (1404, 14904), (1458, 14352), (1656, 12636), (1794, 11664), (1863, 11232), (1872, 11178), (1944, 10764), (2106, 9936), (2187, 9568), (2208, 9477), (2392, 8748), (2484, 8424), (2592, 8073), (2691, 7776), (2808, 7452), (2916, 7176), (3159, 6624), (3312, 6318), (3588, 5832), (3726, 5616), (3744, 5589), (3888, 5382), (4212, 4968), (4374, 4784)]