20175281005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1067

約数の個数: 96

約数和(自身を含む): 29646311040

約数和(自身を除く): 9471030035

約数列:

[1, 5, 11, 19, 29, 37, 55, 95, 145, 185, 209, 319, 361, 407, 551, 703, 947, 1045, 1073, 1595, 1805, 2035, 2755, 3515, 3971, 4735, 5365, 6061, 7733, 10417, 10469, 11803, 13357, 17993, 19855, 20387, 27463, 30305, 35039, 38665, 52085, 52345, 59015, 66785, 89965, 101935, 115159, 137315, 146927, 175195, 197923, 224257, 302093, 341867, 385429, 387353, 521797, 575795, 665741, 734635, 989615, 1016131, 1121285, 1510465, 1709335, 1927145, 1936765, 2608985, 3328705, 3760537, 4260883, 5080655, 5739767, 7323151, 9914143, 11177441, 12649079, 18802685, 19306489, 21304415, 28698835, 36615755, 49570715, 55887205, 63245395, 96532445, 109055573, 139139869, 212371379, 366823291, 545277865, 695699345, 1061856895, 1834116455, 4035056201, 20175281005]

約数ペア:

[(1, 20175281005), (5, 4035056201), (11, 1834116455), (19, 1061856895), (29, 695699345), (37, 545277865), (55, 366823291), (95, 212371379), (145, 139139869), (185, 109055573), (209, 96532445), (319, 63245395), (361, 55887205), (407, 49570715), (551, 36615755), (703, 28698835), (947, 21304415), (1045, 19306489), (1073, 18802685), (1595, 12649079), (1805, 11177441), (2035, 9914143), (2755, 7323151), (3515, 5739767), (3971, 5080655), (4735, 4260883), (5365, 3760537), (6061, 3328705), (7733, 2608985), (10417, 1936765), (10469, 1927145), (11803, 1709335), (13357, 1510465), (17993, 1121285), (19855, 1016131), (20387, 989615), (27463, 734635), (30305, 665741), (35039, 575795), (38665, 521797), (52085, 387353), (52345, 385429), (59015, 341867), (66785, 302093), (89965, 224257), (101935, 197923), (115159, 175195), (137315, 146927)]