20185735820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{464467}}^1$

素因数の和:464570

約数の個数: 48

約数和(自身を含む): 44243363808

約数和(自身を除く): 24057627988

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 8692, 10865, 21730, 43460, 464467, 928934, 1857868, 2322335, 4644670, 9289340, 19043147, 24616751, 38086294, 49233502, 76172588, 95215735, 98467004, 123083755, 190431470, 246167510, 380862940, 492335020, 1009286791, 2018573582, 4037147164, 5046433955, 10092867910, 20185735820]

約数ペア:

[(1, 20185735820), (2, 10092867910), (4, 5046433955), (5, 4037147164), (10, 2018573582), (20, 1009286791), (41, 492335020), (53, 380862940), (82, 246167510), (106, 190431470), (164, 123083755), (205, 98467004), (212, 95215735), (265, 76172588), (410, 49233502), (530, 38086294), (820, 24616751), (1060, 19043147), (2173, 9289340), (4346, 4644670), (8692, 2322335), (10865, 1857868), (21730, 928934), (43460, 464467)]