20343730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 45505152

約数和(自身を除く): 25161422

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 43, 46, 55, 85, 86, 110, 115, 121, 170, 187, 215, 230, 242, 253, 374, 391, 430, 473, 506, 605, 731, 782, 935, 946, 989, 1210, 1265, 1462, 1870, 1955, 1978, 2057, 2365, 2530, 2783, 3655, 3910, 4114, 4301, 4730, 4945, 5203, 5566, 7310, 8041, 8602, 9890, 10285, 10406, 10879, 13915, 16082, 16813, 20570, 21505, 21758, 26015, 27830, 33626, 40205, 43010, 47311, 52030, 54395, 80410, 84065, 88451, 94622, 108790, 119669, 168130, 176902, 184943, 236555, 239338, 369886, 442255, 473110, 598345, 884510, 924715, 1196690, 1849430, 2034373, 4068746, 10171865, 20343730]

約数ペア:

[(1, 20343730), (2, 10171865), (5, 4068746), (10, 2034373), (11, 1849430), (17, 1196690), (22, 924715), (23, 884510), (34, 598345), (43, 473110), (46, 442255), (55, 369886), (85, 239338), (86, 236555), (110, 184943), (115, 176902), (121, 168130), (170, 119669), (187, 108790), (215, 94622), (230, 88451), (242, 84065), (253, 80410), (374, 54395), (391, 52030), (430, 47311), (473, 43010), (506, 40205), (605, 33626), (731, 27830), (782, 26015), (935, 21758), (946, 21505), (989, 20570), (1210, 16813), (1265, 16082), (1462, 13915), (1870, 10879), (1955, 10406), (1978, 10285), (2057, 9890), (2365, 8602), (2530, 8041), (2783, 7310), (3655, 5566), (3910, 5203), (4114, 4945), (4301, 4730)]