20669760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7177}}^1$

素因数の和:7200

約数の個数: 84

約数和(自身を含む): 71105268

約数和(自身を除く): 50435508

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7177, 14354, 21531, 28708, 35885, 43062, 57416, 64593, 71770, 86124, 107655, 114832, 129186, 143540, 172248, 215310, 229664, 258372, 287080, 322965, 344496, 430620, 459328, 516744, 574160, 645930, 688992, 861240, 1033488, 1148320, 1291860, 1377984, 1722480, 2066976, 2296640, 2583720, 3444960, 4133952, 5167440, 6889920, 10334880, 20669760]

約数ペア:

[(1, 20669760), (2, 10334880), (3, 6889920), (4, 5167440), (5, 4133952), (6, 3444960), (8, 2583720), (9, 2296640), (10, 2066976), (12, 1722480), (15, 1377984), (16, 1291860), (18, 1148320), (20, 1033488), (24, 861240), (30, 688992), (32, 645930), (36, 574160), (40, 516744), (45, 459328), (48, 430620), (60, 344496), (64, 322965), (72, 287080), (80, 258372), (90, 229664), (96, 215310), (120, 172248), (144, 143540), (160, 129186), (180, 114832), (192, 107655), (240, 86124), (288, 71770), (320, 64593), (360, 57416), (480, 43062), (576, 35885), (720, 28708), (960, 21531), (1440, 14354), (2880, 7177)]