20169160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 64

約数和(自身を含む): 51684480

約数和(自身を除く): 31515320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1993, 2024, 2530, 3986, 5060, 7972, 9965, 10120, 15944, 19930, 21923, 39860, 43846, 45839, 79720, 87692, 91678, 109615, 175384, 183356, 219230, 229195, 366712, 438460, 458390, 504229, 876920, 916780, 1008458, 1833560, 2016916, 2521145, 4033832, 5042290, 10084580, 20169160]

約数ペア:

[(1, 20169160), (2, 10084580), (4, 5042290), (5, 4033832), (8, 2521145), (10, 2016916), (11, 1833560), (20, 1008458), (22, 916780), (23, 876920), (40, 504229), (44, 458390), (46, 438460), (55, 366712), (88, 229195), (92, 219230), (110, 183356), (115, 175384), (184, 109615), (220, 91678), (230, 87692), (253, 79720), (440, 45839), (460, 43846), (506, 39860), (920, 21923), (1012, 19930), (1265, 15944), (1993, 10120), (2024, 9965), (2530, 7972), (3986, 5060)]