20842976

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{769}}^1$

素因数の和:808

約数の個数: 72

約数和(自身を含む): 51614640

約数和(自身を除く): 30771664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 769, 847, 968, 1232, 1538, 1694, 1936, 2464, 3076, 3388, 3872, 5383, 6152, 6776, 8459, 10766, 12304, 13552, 16918, 21532, 24608, 27104, 33836, 43064, 59213, 67672, 86128, 93049, 118426, 135344, 172256, 186098, 236852, 270688, 372196, 473704, 651343, 744392, 947408, 1302686, 1488784, 1894816, 2605372, 2977568, 5210744, 10421488, 20842976]

約数ペア:

[(1, 20842976), (2, 10421488), (4, 5210744), (7, 2977568), (8, 2605372), (11, 1894816), (14, 1488784), (16, 1302686), (22, 947408), (28, 744392), (32, 651343), (44, 473704), (56, 372196), (77, 270688), (88, 236852), (112, 186098), (121, 172256), (154, 135344), (176, 118426), (224, 93049), (242, 86128), (308, 67672), (352, 59213), (484, 43064), (616, 33836), (769, 27104), (847, 24608), (968, 21532), (1232, 16918), (1538, 13552), (1694, 12304), (1936, 10766), (2464, 8459), (3076, 6776), (3388, 6152), (3872, 5383)]