20635398

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:639

約数の個数: 80

約数和(自身を含む): 54641664

約数和(自身を除く): 34006266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 81, 93, 126, 162, 186, 189, 217, 279, 378, 434, 558, 567, 587, 651, 837, 1134, 1174, 1302, 1674, 1761, 1953, 2511, 3522, 3906, 4109, 5022, 5283, 5859, 8218, 10566, 11718, 12327, 15849, 17577, 18197, 24654, 31698, 35154, 36394, 36981, 47547, 54591, 73962, 95094, 109182, 110943, 127379, 163773, 221886, 254758, 327546, 332829, 382137, 491319, 665658, 764274, 982638, 1146411, 1473957, 2292822, 2947914, 3439233, 6878466, 10317699, 20635398]

約数ペア:

[(1, 20635398), (2, 10317699), (3, 6878466), (6, 3439233), (7, 2947914), (9, 2292822), (14, 1473957), (18, 1146411), (21, 982638), (27, 764274), (31, 665658), (42, 491319), (54, 382137), (62, 332829), (63, 327546), (81, 254758), (93, 221886), (126, 163773), (162, 127379), (186, 110943), (189, 109182), (217, 95094), (279, 73962), (378, 54591), (434, 47547), (558, 36981), (567, 36394), (587, 35154), (651, 31698), (837, 24654), (1134, 18197), (1174, 17577), (1302, 15849), (1674, 12327), (1761, 11718), (1953, 10566), (2511, 8218), (3522, 5859), (3906, 5283), (4109, 5022)]