20134840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 30098120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 683, 737, 1340, 1366, 1474, 2680, 2732, 2948, 3415, 3685, 5464, 5896, 6830, 7370, 7513, 13660, 14740, 15026, 27320, 29480, 30052, 37565, 45761, 60104, 75130, 91522, 150260, 183044, 228805, 300520, 366088, 457610, 503371, 915220, 1006742, 1830440, 2013484, 2516855, 4026968, 5033710, 10067420, 20134840]

約数ペア:

[(1, 20134840), (2, 10067420), (4, 5033710), (5, 4026968), (8, 2516855), (10, 2013484), (11, 1830440), (20, 1006742), (22, 915220), (40, 503371), (44, 457610), (55, 366088), (67, 300520), (88, 228805), (110, 183044), (134, 150260), (220, 91522), (268, 75130), (335, 60104), (440, 45761), (536, 37565), (670, 30052), (683, 29480), (737, 27320), (1340, 15026), (1366, 14740), (1474, 13660), (2680, 7513), (2732, 7370), (2948, 6830), (3415, 5896), (3685, 5464)]