20995104

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16823}}^1$

素因数の和:16849

約数の個数: 48

約数和(自身を含む): 59355072

約数和(自身を除く): 38359968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16823, 33646, 50469, 67292, 100938, 134584, 201876, 218699, 269168, 403752, 437398, 538336, 656097, 807504, 874796, 1312194, 1615008, 1749592, 2624388, 3499184, 5248776, 6998368, 10497552, 20995104]

約数ペア:

[(1, 20995104), (2, 10497552), (3, 6998368), (4, 5248776), (6, 3499184), (8, 2624388), (12, 1749592), (13, 1615008), (16, 1312194), (24, 874796), (26, 807504), (32, 656097), (39, 538336), (48, 437398), (52, 403752), (78, 269168), (96, 218699), (104, 201876), (156, 134584), (208, 100938), (312, 67292), (416, 50469), (624, 33646), (1248, 16823)]