20937805820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{5443}}^1$

素因数の和:5715

約数の個数: 96

約数和(自身を含む): 47412449280

約数和(自身を除く): 26474643460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 191, 212, 265, 380, 382, 530, 764, 955, 1007, 1060, 1910, 2014, 3629, 3820, 4028, 5035, 5443, 7258, 10070, 10123, 10886, 14516, 18145, 20140, 20246, 21772, 27215, 36290, 40492, 50615, 54430, 72580, 101230, 103417, 108860, 192337, 202460, 206834, 288479, 384674, 413668, 517085, 576958, 769348, 961685, 1034170, 1039613, 1153916, 1442395, 1923370, 2068340, 2079226, 2884790, 3846740, 4158452, 5198065, 5481101, 5769580, 10396130, 10962202, 19752647, 20792260, 21924404, 27405505, 39505294, 54811010, 55099489, 79010588, 98763235, 109622020, 110198978, 197526470, 220397956, 275497445, 395052940, 550994890, 1046890291, 1101989780, 2093780582, 4187561164, 5234451455, 10468902910, 20937805820]

約数ペア:

[(1, 20937805820), (2, 10468902910), (4, 5234451455), (5, 4187561164), (10, 2093780582), (19, 1101989780), (20, 1046890291), (38, 550994890), (53, 395052940), (76, 275497445), (95, 220397956), (106, 197526470), (190, 110198978), (191, 109622020), (212, 98763235), (265, 79010588), (380, 55099489), (382, 54811010), (530, 39505294), (764, 27405505), (955, 21924404), (1007, 20792260), (1060, 19752647), (1910, 10962202), (2014, 10396130), (3629, 5769580), (3820, 5481101), (4028, 5198065), (5035, 4158452), (5443, 3846740), (7258, 2884790), (10070, 2079226), (10123, 2068340), (10886, 1923370), (14516, 1442395), (18145, 1153916), (20140, 1039613), (20246, 1034170), (21772, 961685), (27215, 769348), (36290, 576958), (40492, 517085), (50615, 413668), (54430, 384674), (72580, 288479), (101230, 206834), (103417, 202460), (108860, 192337)]