20142386780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1\times {\mathrm{29629}}^1$

素因数の和:31446

約数の個数: 48

約数和(自身を含む): 44551668000

約数和(自身を除く): 24409281220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1789, 3578, 7156, 8945, 17890, 29629, 33991, 35780, 59258, 67982, 118516, 135964, 148145, 169955, 296290, 339910, 562951, 592580, 679820, 1125902, 2251804, 2814755, 5629510, 11259020, 53006281, 106012562, 212025124, 265031405, 530062810, 1007119339, 1060125620, 2014238678, 4028477356, 5035596695, 10071193390, 20142386780]

約数ペア:

[(1, 20142386780), (2, 10071193390), (4, 5035596695), (5, 4028477356), (10, 2014238678), (19, 1060125620), (20, 1007119339), (38, 530062810), (76, 265031405), (95, 212025124), (190, 106012562), (380, 53006281), (1789, 11259020), (3578, 5629510), (7156, 2814755), (8945, 2251804), (17890, 1125902), (29629, 679820), (33991, 592580), (35780, 562951), (59258, 339910), (67982, 296290), (118516, 169955), (135964, 148145)]