20193508769

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 26464204800

約数和(自身を除く): 6270696031

約数列:

[1, 7, 17, 19, 43, 119, 133, 229, 301, 323, 731, 817, 907, 1603, 2261, 3893, 4351, 5117, 5719, 6349, 9847, 13889, 15419, 17233, 27251, 30457, 39001, 68929, 73967, 97223, 107933, 120631, 167399, 187093, 207703, 273007, 292961, 517769, 663017, 741019, 1171793, 1309651, 1453921, 2050727, 3180581, 3530951, 3946357, 4641119, 5187133, 8931229, 12597323, 22264067, 24716657, 27624499, 62518603, 67088069, 88181261, 151830893, 169693351, 469616483, 1062816251, 1187853457, 2884786967, 20193508769]

約数ペア:

[(1, 20193508769), (7, 2884786967), (17, 1187853457), (19, 1062816251), (43, 469616483), (119, 169693351), (133, 151830893), (229, 88181261), (301, 67088069), (323, 62518603), (731, 27624499), (817, 24716657), (907, 22264067), (1603, 12597323), (2261, 8931229), (3893, 5187133), (4351, 4641119), (5117, 3946357), (5719, 3530951), (6349, 3180581), (9847, 2050727), (13889, 1453921), (15419, 1309651), (17233, 1171793), (27251, 741019), (30457, 663017), (39001, 517769), (68929, 292961), (73967, 273007), (97223, 207703), (107933, 187093), (120631, 167399)]