20179536

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 57038016

約数和(自身を除く): 36858480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 438, 443, 584, 624, 876, 886, 949, 1168, 1329, 1752, 1772, 1898, 2658, 2847, 3504, 3544, 3796, 5316, 5694, 5759, 7088, 7592, 10632, 11388, 11518, 15184, 17277, 21264, 22776, 23036, 32339, 34554, 45552, 46072, 64678, 69108, 92144, 97017, 129356, 138216, 194034, 258712, 276432, 388068, 420407, 517424, 776136, 840814, 1261221, 1552272, 1681628, 2522442, 3363256, 5044884, 6726512, 10089768, 20179536]

約数ペア:

[(1, 20179536), (2, 10089768), (3, 6726512), (4, 5044884), (6, 3363256), (8, 2522442), (12, 1681628), (13, 1552272), (16, 1261221), (24, 840814), (26, 776136), (39, 517424), (48, 420407), (52, 388068), (73, 276432), (78, 258712), (104, 194034), (146, 138216), (156, 129356), (208, 97017), (219, 92144), (292, 69108), (312, 64678), (438, 46072), (443, 45552), (584, 34554), (624, 32339), (876, 23036), (886, 22776), (949, 21264), (1168, 17277), (1329, 15184), (1752, 11518), (1772, 11388), (1898, 10632), (2658, 7592), (2847, 7088), (3504, 5759), (3544, 5694), (3796, 5316)]