20299524

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 61286400

約数和(自身を除く): 40986876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 23, 28, 38, 42, 46, 49, 57, 69, 76, 79, 84, 92, 98, 114, 133, 138, 147, 158, 161, 196, 228, 237, 266, 276, 294, 316, 322, 399, 437, 474, 483, 532, 553, 588, 644, 798, 874, 931, 948, 966, 1106, 1127, 1311, 1501, 1596, 1659, 1748, 1817, 1862, 1932, 2212, 2254, 2622, 2793, 3002, 3059, 3318, 3381, 3634, 3724, 3871, 4503, 4508, 5244, 5451, 5586, 6004, 6118, 6636, 6762, 7268, 7742, 9006, 9177, 10507, 10902, 11172, 11613, 12236, 12719, 13524, 15484, 18012, 18354, 21014, 21413, 21804, 23226, 25438, 31521, 34523, 36708, 38157, 42028, 42826, 46452, 50876, 63042, 64239, 69046, 73549, 76314, 85652, 89033, 103569, 126084, 128478, 138092, 147098, 152628, 178066, 207138, 220647, 241661, 256956, 267099, 294196, 356132, 414276, 441294, 483322, 534198, 724983, 882588, 966644, 1068396, 1449966, 1691627, 2899932, 3383254, 5074881, 6766508, 10149762, 20299524]

約数ペア:

[(1, 20299524), (2, 10149762), (3, 6766508), (4, 5074881), (6, 3383254), (7, 2899932), (12, 1691627), (14, 1449966), (19, 1068396), (21, 966644), (23, 882588), (28, 724983), (38, 534198), (42, 483322), (46, 441294), (49, 414276), (57, 356132), (69, 294196), (76, 267099), (79, 256956), (84, 241661), (92, 220647), (98, 207138), (114, 178066), (133, 152628), (138, 147098), (147, 138092), (158, 128478), (161, 126084), (196, 103569), (228, 89033), (237, 85652), (266, 76314), (276, 73549), (294, 69046), (316, 64239), (322, 63042), (399, 50876), (437, 46452), (474, 42826), (483, 42028), (532, 38157), (553, 36708), (588, 34523), (644, 31521), (798, 25438), (874, 23226), (931, 21804), (948, 21413), (966, 21014), (1106, 18354), (1127, 18012), (1311, 15484), (1501, 13524), (1596, 12719), (1659, 12236), (1748, 11613), (1817, 11172), (1862, 10902), (1932, 10507), (2212, 9177), (2254, 9006), (2622, 7742), (2793, 7268), (3002, 6762), (3059, 6636), (3318, 6118), (3381, 6004), (3634, 5586), (3724, 5451), (3871, 5244), (4503, 4508)]