20851014772

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1\times {\mathrm{8501}}^1$

素因数の和:9112

約数の個数: 48

約数和(自身を含む): 41993078400

約数和(自身を除く): 21142063628

約数列:

[1, 2, 4, 7, 14, 28, 251, 349, 502, 698, 1004, 1396, 1757, 2443, 3514, 4886, 7028, 8501, 9772, 17002, 34004, 59507, 87599, 119014, 175198, 238028, 350396, 613193, 1226386, 2133751, 2452772, 2966849, 4267502, 5933698, 8535004, 11867396, 14936257, 20767943, 29872514, 41535886, 59745028, 83071772, 744679099, 1489358198, 2978716396, 5212753693, 10425507386, 20851014772]

約数ペア:

[(1, 20851014772), (2, 10425507386), (4, 5212753693), (7, 2978716396), (14, 1489358198), (28, 744679099), (251, 83071772), (349, 59745028), (502, 41535886), (698, 29872514), (1004, 20767943), (1396, 14936257), (1757, 11867396), (2443, 8535004), (3514, 5933698), (4886, 4267502), (7028, 2966849), (8501, 2452772), (9772, 2133751), (17002, 1226386), (34004, 613193), (59507, 350396), (87599, 238028), (119014, 175198)]