20175358

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 37756800

約数和(自身を除く): 17581442

約数列:

[1, 2, 7, 14, 29, 31, 49, 58, 62, 98, 203, 217, 229, 406, 434, 458, 899, 1421, 1519, 1603, 1798, 2842, 3038, 3206, 6293, 6641, 7099, 11221, 12586, 13282, 14198, 22442, 44051, 46487, 49693, 88102, 92974, 99386, 205871, 325409, 347851, 411742, 650818, 695702, 1441097, 2882194, 10087679, 20175358]

約数ペア:

[(1, 20175358), (2, 10087679), (7, 2882194), (14, 1441097), (29, 695702), (31, 650818), (49, 411742), (58, 347851), (62, 325409), (98, 205871), (203, 99386), (217, 92974), (229, 88102), (406, 49693), (434, 46487), (458, 44051), (899, 22442), (1421, 14198), (1519, 13282), (1603, 12586), (1798, 11221), (2842, 7099), (3038, 6641), (3206, 6293)]