20090119304

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{4831}}^1$

素因数の和:5190

約数の個数: 64

約数和(自身を含む): 39890672640

約数和(自身を除く): 19800553336

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 233, 388, 466, 776, 932, 1864, 2231, 4462, 4831, 5359, 8924, 9662, 10718, 17848, 19324, 21436, 22601, 38648, 42872, 45202, 90404, 111113, 180808, 222226, 444452, 468607, 519823, 888904, 937214, 1039646, 1125623, 1874428, 2079292, 2251246, 3748856, 4158584, 4502492, 9004984, 10777961, 21555922, 25889329, 43111844, 51778658, 86223688, 103557316, 109185431, 207114632, 218370862, 436741724, 873483448, 2511264913, 5022529826, 10045059652, 20090119304]

約数ペア:

[(1, 20090119304), (2, 10045059652), (4, 5022529826), (8, 2511264913), (23, 873483448), (46, 436741724), (92, 218370862), (97, 207114632), (184, 109185431), (194, 103557316), (233, 86223688), (388, 51778658), (466, 43111844), (776, 25889329), (932, 21555922), (1864, 10777961), (2231, 9004984), (4462, 4502492), (4831, 4158584), (5359, 3748856), (8924, 2251246), (9662, 2079292), (10718, 1874428), (17848, 1125623), (19324, 1039646), (21436, 937214), (22601, 888904), (38648, 519823), (42872, 468607), (45202, 444452), (90404, 222226), (111113, 180808)]