20037494785

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{4423}}^1$

素因数の和:4535

約数の個数: 72

約数和(自身を含む): 31282953408

約数和(自身を除く): 11245458623

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 77, 205, 245, 287, 385, 451, 539, 1435, 1681, 2009, 2255, 2695, 3157, 4423, 8405, 10045, 11767, 15785, 18491, 22099, 22115, 30961, 48653, 58835, 82369, 92455, 110495, 129437, 154805, 181343, 216727, 243265, 340571, 411845, 647185, 906059, 906715, 1083635, 1269401, 1702855, 1994773, 2383997, 4530295, 6347005, 7435063, 8885807, 9973865, 11919985, 13963411, 37175315, 44429035, 52045441, 69817055, 81785693, 97743877, 260227205, 364318087, 408928465, 488719385, 572499851, 1821590435, 2862499255, 4007498957, 20037494785]

約数ペア:

[(1, 20037494785), (5, 4007498957), (7, 2862499255), (11, 1821590435), (35, 572499851), (41, 488719385), (49, 408928465), (55, 364318087), (77, 260227205), (205, 97743877), (245, 81785693), (287, 69817055), (385, 52045441), (451, 44429035), (539, 37175315), (1435, 13963411), (1681, 11919985), (2009, 9973865), (2255, 8885807), (2695, 7435063), (3157, 6347005), (4423, 4530295), (8405, 2383997), (10045, 1994773), (11767, 1702855), (15785, 1269401), (18491, 1083635), (22099, 906715), (22115, 906059), (30961, 647185), (48653, 411845), (58835, 340571), (82369, 243265), (92455, 216727), (110495, 181343), (129437, 154805)]