20807086416

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{70981}}^1$

素因数の和:71220

約数の個数: 80

約数和(自身を含む): 55768002048

約数和(自身を除く): 34960915632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 197, 248, 372, 394, 496, 591, 744, 788, 1182, 1488, 1576, 2364, 3152, 4728, 6107, 9456, 12214, 18321, 24428, 36642, 48856, 70981, 73284, 97712, 141962, 146568, 212943, 283924, 293136, 425886, 567848, 851772, 1135696, 1703544, 2200411, 3407088, 4400822, 6601233, 8801644, 13202466, 13983257, 17603288, 26404932, 27966514, 35206576, 41949771, 52809864, 55933028, 83899542, 105619728, 111866056, 167799084, 223732112, 335598168, 433480967, 671196336, 866961934, 1300442901, 1733923868, 2600885802, 3467847736, 5201771604, 6935695472, 10403543208, 20807086416]

約数ペア:

[(1, 20807086416), (2, 10403543208), (3, 6935695472), (4, 5201771604), (6, 3467847736), (8, 2600885802), (12, 1733923868), (16, 1300442901), (24, 866961934), (31, 671196336), (48, 433480967), (62, 335598168), (93, 223732112), (124, 167799084), (186, 111866056), (197, 105619728), (248, 83899542), (372, 55933028), (394, 52809864), (496, 41949771), (591, 35206576), (744, 27966514), (788, 26404932), (1182, 17603288), (1488, 13983257), (1576, 13202466), (2364, 8801644), (3152, 6601233), (4728, 4400822), (6107, 3407088), (9456, 2200411), (12214, 1703544), (18321, 1135696), (24428, 851772), (36642, 567848), (48856, 425886), (70981, 293136), (73284, 283924), (97712, 212943), (141962, 146568)]