20848784

素因数分解:

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

素因数の和:141

約数の個数: 50

約数和(自身を含む): 44932950

約数和(自身を除く): 24084166

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 121, 176, 178, 242, 356, 484, 712, 968, 979, 1331, 1424, 1936, 1958, 2662, 3916, 5324, 7832, 10648, 10769, 14641, 15664, 21296, 21538, 29282, 43076, 58564, 86152, 117128, 118459, 172304, 234256, 236918, 473836, 947672, 1303049, 1895344, 2606098, 5212196, 10424392, 20848784]

約数ペア:

[(1, 20848784), (2, 10424392), (4, 5212196), (8, 2606098), (11, 1895344), (16, 1303049), (22, 947672), (44, 473836), (88, 236918), (89, 234256), (121, 172304), (176, 118459), (178, 117128), (242, 86152), (356, 58564), (484, 43076), (712, 29282), (968, 21538), (979, 21296), (1331, 15664), (1424, 14641), (1936, 10769), (1958, 10648), (2662, 7832), (3916, 5324)]