20997482240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{63337}}^1$

素因数の和:63402

約数の個数: 144

約数和(自身を含む): 59035069632

約数和(自身を除く): 38037587392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 256, 259, 280, 296, 320, 370, 448, 518, 560, 592, 640, 740, 896, 1036, 1120, 1184, 1280, 1295, 1480, 1792, 2072, 2240, 2368, 2590, 2960, 4144, 4480, 4736, 5180, 5920, 8288, 8960, 9472, 10360, 11840, 16576, 20720, 23680, 33152, 41440, 47360, 63337, 66304, 82880, 126674, 165760, 253348, 316685, 331520, 443359, 506696, 633370, 886718, 1013392, 1266740, 1773436, 2026784, 2216795, 2343469, 2533480, 3546872, 4053568, 4433590, 4686938, 5066960, 7093744, 8107136, 8867180, 9373876, 10133920, 11717345, 14187488, 16214272, 16404283, 17734360, 18747752, 20267840, 23434690, 28374976, 32808566, 35468720, 37495504, 40535680, 46869380, 56749952, 65617132, 70937440, 74991008, 81071360, 82021415, 93738760, 113499904, 131234264, 141874880, 149982016, 164042830, 187477520, 262468528, 283749760, 299964032, 328085660, 374955040, 524937056, 567499520, 599928064, 656171320, 749910080, 1049874112, 1312342640, 1499820160, 2099748224, 2624685280, 2999640320, 4199496448, 5249370560, 10498741120, 20997482240]

約数ペア:

[(1, 20997482240), (2, 10498741120), (4, 5249370560), (5, 4199496448), (7, 2999640320), (8, 2624685280), (10, 2099748224), (14, 1499820160), (16, 1312342640), (20, 1049874112), (28, 749910080), (32, 656171320), (35, 599928064), (37, 567499520), (40, 524937056), (56, 374955040), (64, 328085660), (70, 299964032), (74, 283749760), (80, 262468528), (112, 187477520), (128, 164042830), (140, 149982016), (148, 141874880), (160, 131234264), (185, 113499904), (224, 93738760), (256, 82021415), (259, 81071360), (280, 74991008), (296, 70937440), (320, 65617132), (370, 56749952), (448, 46869380), (518, 40535680), (560, 37495504), (592, 35468720), (640, 32808566), (740, 28374976), (896, 23434690), (1036, 20267840), (1120, 18747752), (1184, 17734360), (1280, 16404283), (1295, 16214272), (1480, 14187488), (1792, 11717345), (2072, 10133920), (2240, 9373876), (2368, 8867180), (2590, 8107136), (2960, 7093744), (4144, 5066960), (4480, 4686938), (4736, 4433590), (5180, 4053568), (5920, 3546872), (8288, 2533480), (8960, 2343469), (9472, 2216795), (10360, 2026784), (11840, 1773436), (16576, 1266740), (20720, 1013392), (23680, 886718), (33152, 633370), (41440, 506696), (47360, 443359), (63337, 331520), (66304, 316685), (82880, 253348), (126674, 165760)]