20155680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13997}}^1$

素因数の和:14018

約数の個数: 72

約数和(自身を含む): 68786172

約数和(自身を除く): 48630492

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13997, 27994, 41991, 55988, 69985, 83982, 111976, 125973, 139970, 167964, 209955, 223952, 251946, 279940, 335928, 419910, 447904, 503892, 559880, 629865, 671856, 839820, 1007784, 1119760, 1259730, 1343712, 1679640, 2015568, 2239520, 2519460, 3359280, 4031136, 5038920, 6718560, 10077840, 20155680]

約数ペア:

[(1, 20155680), (2, 10077840), (3, 6718560), (4, 5038920), (5, 4031136), (6, 3359280), (8, 2519460), (9, 2239520), (10, 2015568), (12, 1679640), (15, 1343712), (16, 1259730), (18, 1119760), (20, 1007784), (24, 839820), (30, 671856), (32, 629865), (36, 559880), (40, 503892), (45, 447904), (48, 419910), (60, 335928), (72, 279940), (80, 251946), (90, 223952), (96, 209955), (120, 167964), (144, 139970), (160, 125973), (180, 111976), (240, 83982), (288, 69985), (360, 55988), (480, 41991), (720, 27994), (1440, 13997)]