20147196476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{1609}}^1$

素因数の和:2307

約数の個数: 72

約数和(自身を含む): 39787067040

約数和(自身を除く): 19639870564

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 631, 902, 1262, 1609, 1804, 2524, 3218, 4961, 6436, 6941, 9922, 13882, 17699, 19844, 25871, 27764, 35398, 51742, 65969, 70796, 76351, 103484, 131938, 152702, 194689, 263876, 284581, 305404, 389378, 569162, 725659, 778756, 1015279, 1138324, 1451318, 2030558, 2902636, 3130391, 4061116, 6260782, 7982249, 11168069, 12521564, 15964498, 22336138, 31928996, 41626439, 44672276, 83252878, 122848759, 166505756, 245697518, 457890829, 491395036, 915781658, 1831563316, 5036799119, 10073598238, 20147196476]

約数ペア:

[(1, 20147196476), (2, 10073598238), (4, 5036799119), (11, 1831563316), (22, 915781658), (41, 491395036), (44, 457890829), (82, 245697518), (121, 166505756), (164, 122848759), (242, 83252878), (451, 44672276), (484, 41626439), (631, 31928996), (902, 22336138), (1262, 15964498), (1609, 12521564), (1804, 11168069), (2524, 7982249), (3218, 6260782), (4961, 4061116), (6436, 3130391), (6941, 2902636), (9922, 2030558), (13882, 1451318), (17699, 1138324), (19844, 1015279), (25871, 778756), (27764, 725659), (35398, 569162), (51742, 389378), (65969, 305404), (70796, 284581), (76351, 263876), (103484, 194689), (131938, 152702)]