20488320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3557}}^1$

素因数の和:3582

約数の個数: 96

約数和(自身を含む): 70768620

約数和(自身を除く): 50280300

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, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3557, 5760, 7114, 10671, 14228, 17785, 21342, 28456, 32013, 35570, 42684, 53355, 56912, 64026, 71140, 85368, 106710, 113824, 128052, 142280, 160065, 170736, 213420, 227648, 256104, 284560, 320130, 341472, 426840, 455296, 512208, 569120, 640260, 682944, 853680, 1024416, 1138240, 1280520, 1365888, 1707360, 2048832, 2276480, 2561040, 3414720, 4097664, 5122080, 6829440, 10244160, 20488320]

約数ペア:

[(1, 20488320), (2, 10244160), (3, 6829440), (4, 5122080), (5, 4097664), (6, 3414720), (8, 2561040), (9, 2276480), (10, 2048832), (12, 1707360), (15, 1365888), (16, 1280520), (18, 1138240), (20, 1024416), (24, 853680), (30, 682944), (32, 640260), (36, 569120), (40, 512208), (45, 455296), (48, 426840), (60, 341472), (64, 320130), (72, 284560), (80, 256104), (90, 227648), (96, 213420), (120, 170736), (128, 160065), (144, 142280), (160, 128052), (180, 113824), (192, 106710), (240, 85368), (288, 71140), (320, 64026), (360, 56912), (384, 53355), (480, 42684), (576, 35570), (640, 32013), (720, 28456), (960, 21342), (1152, 17785), (1440, 14228), (1920, 10671), (2880, 7114), (3557, 5760)]