20083735160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:841

約数の個数: 128

約数和(自身を含む): 46762185600

約数和(自身を除く): 26678450440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 157, 206, 244, 305, 314, 412, 488, 509, 515, 610, 628, 785, 824, 1018, 1030, 1220, 1256, 1570, 2036, 2060, 2440, 2545, 3140, 4072, 4120, 5090, 6280, 6283, 9577, 10180, 12566, 16171, 19154, 20360, 25132, 31049, 31415, 32342, 38308, 47885, 50264, 52427, 62098, 62830, 64684, 76616, 79913, 80855, 95770, 104854, 124196, 125660, 129368, 155245, 159826, 161710, 191540, 209708, 248392, 251320, 262135, 310490, 319652, 323420, 383080, 399565, 419416, 524270, 620980, 639304, 646840, 799130, 986431, 1048540, 1241960, 1598260, 1972862, 2097080, 3196520, 3198047, 3945724, 4874693, 4932155, 6396094, 7891448, 8231039, 9749386, 9864310, 12792188, 15990235, 16462078, 19498772, 19728620, 24373465, 25584376, 31980470, 32924156, 38997544, 39457240, 41155195, 48746930, 63960940, 65848312, 82310390, 97493860, 127921880, 164620780, 194987720, 329241560, 502093379, 1004186758, 2008373516, 2510466895, 4016747032, 5020933790, 10041867580, 20083735160]

約数ペア:

[(1, 20083735160), (2, 10041867580), (4, 5020933790), (5, 4016747032), (8, 2510466895), (10, 2008373516), (20, 1004186758), (40, 502093379), (61, 329241560), (103, 194987720), (122, 164620780), (157, 127921880), (206, 97493860), (244, 82310390), (305, 65848312), (314, 63960940), (412, 48746930), (488, 41155195), (509, 39457240), (515, 38997544), (610, 32924156), (628, 31980470), (785, 25584376), (824, 24373465), (1018, 19728620), (1030, 19498772), (1220, 16462078), (1256, 15990235), (1570, 12792188), (2036, 9864310), (2060, 9749386), (2440, 8231039), (2545, 7891448), (3140, 6396094), (4072, 4932155), (4120, 4874693), (5090, 3945724), (6280, 3198047), (6283, 3196520), (9577, 2097080), (10180, 1972862), (12566, 1598260), (16171, 1241960), (19154, 1048540), (20360, 986431), (25132, 799130), (31049, 646840), (31415, 639304), (32342, 620980), (38308, 524270), (47885, 419416), (50264, 399565), (52427, 383080), (62098, 323420), (62830, 319652), (64684, 310490), (76616, 262135), (79913, 251320), (80855, 248392), (95770, 209708), (104854, 191540), (124196, 161710), (125660, 159826), (129368, 155245)]