20147597680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3929}}^1\times {\mathrm{9157}}^1$

素因数の和:13106

約数の個数: 80

約数和(自身を含む): 53554518720

約数和(自身を除く): 33406921040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3929, 7858, 9157, 15716, 18314, 19645, 27503, 31432, 36628, 39290, 45785, 55006, 62864, 64099, 73256, 78580, 91570, 110012, 128198, 137515, 146512, 157160, 183140, 220024, 256396, 275030, 314320, 320495, 366280, 440048, 512792, 550060, 640990, 732560, 1025584, 1100120, 1281980, 2200240, 2563960, 5127920, 35977853, 71955706, 143911412, 179889265, 251844971, 287822824, 359778530, 503689942, 575645648, 719557060, 1007379884, 1259224855, 1439114120, 2014759768, 2518449710, 2878228240, 4029519536, 5036899420, 10073798840, 20147597680]

約数ペア:

[(1, 20147597680), (2, 10073798840), (4, 5036899420), (5, 4029519536), (7, 2878228240), (8, 2518449710), (10, 2014759768), (14, 1439114120), (16, 1259224855), (20, 1007379884), (28, 719557060), (35, 575645648), (40, 503689942), (56, 359778530), (70, 287822824), (80, 251844971), (112, 179889265), (140, 143911412), (280, 71955706), (560, 35977853), (3929, 5127920), (7858, 2563960), (9157, 2200240), (15716, 1281980), (18314, 1100120), (19645, 1025584), (27503, 732560), (31432, 640990), (36628, 550060), (39290, 512792), (45785, 440048), (55006, 366280), (62864, 320495), (64099, 314320), (73256, 275030), (78580, 256396), (91570, 220024), (110012, 183140), (128198, 157160), (137515, 146512)]