20512385110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 43596693504

約数和(自身を除く): 23084308394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 103, 151, 166, 206, 227, 302, 415, 454, 515, 581, 721, 755, 830, 1030, 1057, 1135, 1162, 1442, 1510, 1589, 2114, 2270, 2905, 3178, 3605, 5285, 5810, 7210, 7945, 8549, 10570, 12533, 15553, 15890, 17098, 18841, 23381, 25066, 31106, 34277, 37682, 42745, 46762, 59843, 62665, 68554, 77765, 85490, 87731, 94205, 108871, 116905, 119686, 125330, 131887, 155530, 163667, 171385, 175462, 188410, 217742, 233810, 239939, 263774, 299215, 327334, 342770, 438655, 479878, 544355, 598430, 659435, 818335, 877310, 1088710, 1199695, 1290899, 1318870, 1636670, 1940623, 2399390, 2581798, 2844991, 3530531, 3881246, 5689982, 6454495, 7061062, 9036293, 9703115, 12908990, 13584361, 14224955, 17652655, 18072586, 19406230, 19914937, 24713717, 27168722, 28449910, 35305310, 39829874, 45181465, 49427434, 67921805, 90362930, 99574685, 123568585, 135843610, 199149370, 247137170, 293034073, 586068146, 1465170365, 2051238511, 2930340730, 4102477022, 10256192555, 20512385110]

約数ペア:

[(1, 20512385110), (2, 10256192555), (5, 4102477022), (7, 2930340730), (10, 2051238511), (14, 1465170365), (35, 586068146), (70, 293034073), (83, 247137170), (103, 199149370), (151, 135843610), (166, 123568585), (206, 99574685), (227, 90362930), (302, 67921805), (415, 49427434), (454, 45181465), (515, 39829874), (581, 35305310), (721, 28449910), (755, 27168722), (830, 24713717), (1030, 19914937), (1057, 19406230), (1135, 18072586), (1162, 17652655), (1442, 14224955), (1510, 13584361), (1589, 12908990), (2114, 9703115), (2270, 9036293), (2905, 7061062), (3178, 6454495), (3605, 5689982), (5285, 3881246), (5810, 3530531), (7210, 2844991), (7945, 2581798), (8549, 2399390), (10570, 1940623), (12533, 1636670), (15553, 1318870), (15890, 1290899), (17098, 1199695), (18841, 1088710), (23381, 877310), (25066, 818335), (31106, 659435), (34277, 598430), (37682, 544355), (42745, 479878), (46762, 438655), (59843, 342770), (62665, 327334), (68554, 299215), (77765, 263774), (85490, 239939), (87731, 233810), (94205, 217742), (108871, 188410), (116905, 175462), (119686, 171385), (125330, 163667), (131887, 155530)]