20123274512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{7177}}^1$

素因数の和:7464

約数の個数: 80

約数和(自身を含む): 43257499200

約数和(自身を除く): 23134224688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 179, 356, 358, 712, 716, 979, 1424, 1432, 1958, 1969, 2864, 3916, 3938, 7177, 7832, 7876, 14354, 15664, 15752, 15931, 28708, 31504, 31862, 57416, 63724, 78947, 114832, 127448, 157894, 175241, 254896, 315788, 350482, 631576, 638753, 700964, 1263152, 1277506, 1284683, 1401928, 2555012, 2569366, 2803856, 5110024, 5138732, 7026283, 10220048, 10277464, 14052566, 14131513, 20554928, 28105132, 28263026, 56210264, 56526052, 112420528, 113052104, 114336787, 226104208, 228673574, 457347148, 914694296, 1257704657, 1829388592, 2515409314, 5030818628, 10061637256, 20123274512]

約数ペア:

[(1, 20123274512), (2, 10061637256), (4, 5030818628), (8, 2515409314), (11, 1829388592), (16, 1257704657), (22, 914694296), (44, 457347148), (88, 228673574), (89, 226104208), (176, 114336787), (178, 113052104), (179, 112420528), (356, 56526052), (358, 56210264), (712, 28263026), (716, 28105132), (979, 20554928), (1424, 14131513), (1432, 14052566), (1958, 10277464), (1969, 10220048), (2864, 7026283), (3916, 5138732), (3938, 5110024), (7177, 2803856), (7832, 2569366), (7876, 2555012), (14354, 1401928), (15664, 1284683), (15752, 1277506), (15931, 1263152), (28708, 700964), (31504, 638753), (31862, 631576), (57416, 350482), (63724, 315788), (78947, 254896), (114832, 175241), (127448, 157894)]