20221567405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 28938290688

約数和(自身を除く): 8716723283

約数列:

[1, 5, 13, 17, 47, 61, 65, 85, 169, 221, 235, 305, 491, 611, 793, 799, 845, 1037, 1105, 2455, 2867, 2873, 3055, 3965, 3995, 5185, 6383, 7943, 8347, 10309, 10387, 13481, 14335, 14365, 23077, 29951, 31915, 37271, 39715, 41735, 48739, 51545, 51935, 67405, 82979, 108511, 115385, 135031, 149755, 175253, 186355, 243695, 300001, 389363, 392309, 414895, 484523, 509167, 542555, 633607, 675155, 876265, 1407697, 1410643, 1500005, 1946815, 1961545, 2422615, 2545835, 3168035, 3900013, 5061719, 5100017, 6619171, 7038485, 7053215, 8236891, 18300061, 19500065, 23930849, 25308595, 25500085, 33095855, 41184455, 66300221, 86049223, 91500305, 119654245, 237900793, 311101037, 331501105, 430246115, 1189503965, 1555505185, 4044313481, 20221567405]

約数ペア:

[(1, 20221567405), (5, 4044313481), (13, 1555505185), (17, 1189503965), (47, 430246115), (61, 331501105), (65, 311101037), (85, 237900793), (169, 119654245), (221, 91500305), (235, 86049223), (305, 66300221), (491, 41184455), (611, 33095855), (793, 25500085), (799, 25308595), (845, 23930849), (1037, 19500065), (1105, 18300061), (2455, 8236891), (2867, 7053215), (2873, 7038485), (3055, 6619171), (3965, 5100017), (3995, 5061719), (5185, 3900013), (6383, 3168035), (7943, 2545835), (8347, 2422615), (10309, 1961545), (10387, 1946815), (13481, 1500005), (14335, 1410643), (14365, 1407697), (23077, 876265), (29951, 675155), (31915, 633607), (37271, 542555), (39715, 509167), (41735, 484523), (48739, 414895), (51545, 392309), (51935, 389363), (67405, 300001), (82979, 243695), (108511, 186355), (115385, 175253), (135031, 149755)]