22181720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4583}}^1$

素因数の和:4616

約数の個数: 48

約数和(自身を含む): 54870480

約数和(自身を除く): 32688760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4583, 4840, 9166, 18332, 22915, 36664, 45830, 50413, 91660, 100826, 183320, 201652, 252065, 403304, 504130, 554543, 1008260, 1109086, 2016520, 2218172, 2772715, 4436344, 5545430, 11090860, 22181720]

約数ペア:

[(1, 22181720), (2, 11090860), (4, 5545430), (5, 4436344), (8, 2772715), (10, 2218172), (11, 2016520), (20, 1109086), (22, 1008260), (40, 554543), (44, 504130), (55, 403304), (88, 252065), (110, 201652), (121, 183320), (220, 100826), (242, 91660), (440, 50413), (484, 45830), (605, 36664), (968, 22915), (1210, 18332), (2420, 9166), (4583, 4840)]