20083721810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1\times {\mathrm{2039}}^1$

素因数の和:3215

約数の個数: 64

約数和(自身を含む): 38917324800

約数和(自身を除く): 18833602990

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1103, 1786, 2039, 2206, 4078, 4465, 5515, 8930, 10195, 11030, 20390, 20957, 38741, 41914, 51841, 77482, 95833, 103682, 104785, 191666, 193705, 209570, 259205, 387410, 479165, 518410, 958330, 984979, 1820827, 1969958, 2249017, 3641654, 4498034, 4924895, 9104135, 9849790, 11245085, 18208270, 22490170, 42731323, 85462646, 105703799, 211407598, 213656615, 427313230, 528518995, 1057037990, 2008372181, 4016744362, 10041860905, 20083721810]

約数ペア:

[(1, 20083721810), (2, 10041860905), (5, 4016744362), (10, 2008372181), (19, 1057037990), (38, 528518995), (47, 427313230), (94, 213656615), (95, 211407598), (190, 105703799), (235, 85462646), (470, 42731323), (893, 22490170), (1103, 18208270), (1786, 11245085), (2039, 9849790), (2206, 9104135), (4078, 4924895), (4465, 4498034), (5515, 3641654), (8930, 2249017), (10195, 1969958), (11030, 1820827), (20390, 984979), (20957, 958330), (38741, 518410), (41914, 479165), (51841, 387410), (77482, 259205), (95833, 209570), (103682, 193705), (104785, 191666)]