20193120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 70958160

約数和(自身を除く): 50765040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 379, 444, 480, 555, 592, 666, 720, 740, 758, 888, 1110, 1137, 1184, 1332, 1440, 1480, 1516, 1665, 1776, 1895, 2220, 2274, 2664, 2960, 3032, 3330, 3411, 3552, 3790, 4440, 4548, 5328, 5685, 5920, 6064, 6660, 6822, 7580, 8880, 9096, 10656, 11370, 12128, 13320, 13644, 14023, 15160, 17055, 17760, 18192, 22740, 26640, 27288, 28046, 30320, 34110, 36384, 42069, 45480, 53280, 54576, 56092, 60640, 68220, 70115, 84138, 90960, 109152, 112184, 126207, 136440, 140230, 168276, 181920, 210345, 224368, 252414, 272880, 280460, 336552, 420690, 448736, 504828, 545760, 560920, 631035, 673104, 841380, 1009656, 1121840, 1262070, 1346208, 1682760, 2019312, 2243680, 2524140, 3365520, 4038624, 5048280, 6731040, 10096560, 20193120]

約数ペア:

[(1, 20193120), (2, 10096560), (3, 6731040), (4, 5048280), (5, 4038624), (6, 3365520), (8, 2524140), (9, 2243680), (10, 2019312), (12, 1682760), (15, 1346208), (16, 1262070), (18, 1121840), (20, 1009656), (24, 841380), (30, 673104), (32, 631035), (36, 560920), (37, 545760), (40, 504828), (45, 448736), (48, 420690), (60, 336552), (72, 280460), (74, 272880), (80, 252414), (90, 224368), (96, 210345), (111, 181920), (120, 168276), (144, 140230), (148, 136440), (160, 126207), (180, 112184), (185, 109152), (222, 90960), (240, 84138), (288, 70115), (296, 68220), (333, 60640), (360, 56092), (370, 54576), (379, 53280), (444, 45480), (480, 42069), (555, 36384), (592, 34110), (666, 30320), (720, 28046), (740, 27288), (758, 26640), (888, 22740), (1110, 18192), (1137, 17760), (1184, 17055), (1332, 15160), (1440, 14023), (1480, 13644), (1516, 13320), (1665, 12128), (1776, 11370), (1895, 10656), (2220, 9096), (2274, 8880), (2664, 7580), (2960, 6822), (3032, 6660), (3330, 6064), (3411, 5920), (3552, 5685), (3790, 5328), (4440, 4548)]