20565576010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1\times {\mathrm{2459}}^1$

素因数の和:3391

約数の個数: 64

約数和(自身を含む): 42649079040

約数和(自身を除く): 22083503030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 761, 785, 1099, 1522, 1570, 2198, 2459, 3805, 4918, 5327, 5495, 7610, 10654, 10990, 12295, 17213, 24590, 26635, 34426, 53270, 86065, 119477, 172130, 238954, 386063, 597385, 772126, 836339, 1194770, 1672678, 1871299, 1930315, 2702441, 3742598, 3860630, 4181695, 5404882, 8363390, 9356495, 13099093, 13512205, 18712990, 26198186, 27024410, 65495465, 130990930, 293793943, 587587886, 1468969715, 2056557601, 2937939430, 4113115202, 10282788005, 20565576010]

約数ペア:

[(1, 20565576010), (2, 10282788005), (5, 4113115202), (7, 2937939430), (10, 2056557601), (14, 1468969715), (35, 587587886), (70, 293793943), (157, 130990930), (314, 65495465), (761, 27024410), (785, 26198186), (1099, 18712990), (1522, 13512205), (1570, 13099093), (2198, 9356495), (2459, 8363390), (3805, 5404882), (4918, 4181695), (5327, 3860630), (5495, 3742598), (7610, 2702441), (10654, 1930315), (10990, 1871299), (12295, 1672678), (17213, 1194770), (24590, 836339), (26635, 772126), (34426, 597385), (53270, 386063), (86065, 238954), (119477, 172130)]