20388215940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1175791}}^1$

素因数の和:1175837

約数の個数: 72

約数和(自身を含む): 60642648192

約数和(自身を除く): 40254432252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 5780, 8670, 17340, 1175791, 2351582, 3527373, 4703164, 5878955, 7054746, 11757910, 14109492, 17636865, 19988447, 23515820, 35273730, 39976894, 59965341, 70547460, 79953788, 99942235, 119930682, 199884470, 239861364, 299826705, 339803599, 399768940, 599653410, 679607198, 1019410797, 1199306820, 1359214396, 1699017995, 2038821594, 3398035990, 4077643188, 5097053985, 6796071980, 10194107970, 20388215940]

約数ペア:

[(1, 20388215940), (2, 10194107970), (3, 6796071980), (4, 5097053985), (5, 4077643188), (6, 3398035990), (10, 2038821594), (12, 1699017995), (15, 1359214396), (17, 1199306820), (20, 1019410797), (30, 679607198), (34, 599653410), (51, 399768940), (60, 339803599), (68, 299826705), (85, 239861364), (102, 199884470), (170, 119930682), (204, 99942235), (255, 79953788), (289, 70547460), (340, 59965341), (510, 39976894), (578, 35273730), (867, 23515820), (1020, 19988447), (1156, 17636865), (1445, 14109492), (1734, 11757910), (2890, 7054746), (3468, 5878955), (4335, 4703164), (5780, 3527373), (8670, 2351582), (17340, 1175791)]