20743680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 69040224

約数和(自身を除く): 48296544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 73, 74, 80, 96, 111, 120, 128, 146, 148, 160, 185, 192, 219, 222, 240, 256, 292, 296, 320, 365, 370, 384, 438, 444, 480, 512, 555, 584, 592, 640, 730, 740, 768, 876, 888, 960, 1095, 1110, 1168, 1184, 1280, 1460, 1480, 1536, 1752, 1776, 1920, 2190, 2220, 2336, 2368, 2560, 2701, 2920, 2960, 3504, 3552, 3840, 4380, 4440, 4672, 4736, 5402, 5840, 5920, 7008, 7104, 7680, 8103, 8760, 8880, 9344, 9472, 10804, 11680, 11840, 13505, 14016, 14208, 16206, 17520, 17760, 18688, 18944, 21608, 23360, 23680, 27010, 28032, 28416, 32412, 35040, 35520, 37376, 40515, 43216, 46720, 47360, 54020, 56064, 56832, 64824, 70080, 71040, 81030, 86432, 93440, 94720, 108040, 112128, 129648, 140160, 142080, 162060, 172864, 186880, 216080, 259296, 280320, 284160, 324120, 345728, 432160, 518592, 560640, 648240, 691456, 864320, 1037184, 1296480, 1382912, 1728640, 2074368, 2592960, 3457280, 4148736, 5185920, 6914560, 10371840, 20743680]

約数ペア:

[(1, 20743680), (2, 10371840), (3, 6914560), (4, 5185920), (5, 4148736), (6, 3457280), (8, 2592960), (10, 2074368), (12, 1728640), (15, 1382912), (16, 1296480), (20, 1037184), (24, 864320), (30, 691456), (32, 648240), (37, 560640), (40, 518592), (48, 432160), (60, 345728), (64, 324120), (73, 284160), (74, 280320), (80, 259296), (96, 216080), (111, 186880), (120, 172864), (128, 162060), (146, 142080), (148, 140160), (160, 129648), (185, 112128), (192, 108040), (219, 94720), (222, 93440), (240, 86432), (256, 81030), (292, 71040), (296, 70080), (320, 64824), (365, 56832), (370, 56064), (384, 54020), (438, 47360), (444, 46720), (480, 43216), (512, 40515), (555, 37376), (584, 35520), (592, 35040), (640, 32412), (730, 28416), (740, 28032), (768, 27010), (876, 23680), (888, 23360), (960, 21608), (1095, 18944), (1110, 18688), (1168, 17760), (1184, 17520), (1280, 16206), (1460, 14208), (1480, 14016), (1536, 13505), (1752, 11840), (1776, 11680), (1920, 10804), (2190, 9472), (2220, 9344), (2336, 8880), (2368, 8760), (2560, 8103), (2701, 7680), (2920, 7104), (2960, 7008), (3504, 5920), (3552, 5840), (3840, 5402), (4380, 4736), (4440, 4672)]