20197440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7013}}^1$

素因数の和:7036

約数の個数: 84

約数和(自身を含む): 69480684

約数和(自身を除く): 49283244

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, 7013, 14026, 21039, 28052, 35065, 42078, 56104, 63117, 70130, 84156, 105195, 112208, 126234, 140260, 168312, 210390, 224416, 252468, 280520, 315585, 336624, 420780, 448832, 504936, 561040, 631170, 673248, 841560, 1009872, 1122080, 1262340, 1346496, 1683120, 2019744, 2244160, 2524680, 3366240, 4039488, 5049360, 6732480, 10098720, 20197440]

約数ペア:

[(1, 20197440), (2, 10098720), (3, 6732480), (4, 5049360), (5, 4039488), (6, 3366240), (8, 2524680), (9, 2244160), (10, 2019744), (12, 1683120), (15, 1346496), (16, 1262340), (18, 1122080), (20, 1009872), (24, 841560), (30, 673248), (32, 631170), (36, 561040), (40, 504936), (45, 448832), (48, 420780), (60, 336624), (64, 315585), (72, 280520), (80, 252468), (90, 224416), (96, 210390), (120, 168312), (144, 140260), (160, 126234), (180, 112208), (192, 105195), (240, 84156), (288, 70130), (320, 63117), (360, 56104), (480, 42078), (576, 35065), (720, 28052), (960, 21039), (1440, 14026), (2880, 7013)]