20194582960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{53927}}^1$

素因数の和:54122

約数の個数: 80

約数和(自身を含む): 48788877312

約数和(自身を除く): 28594294352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 248, 302, 310, 496, 604, 620, 755, 1208, 1240, 1510, 2416, 2480, 3020, 4681, 6040, 9362, 12080, 18724, 23405, 37448, 46810, 53927, 74896, 93620, 107854, 187240, 215708, 269635, 374480, 431416, 539270, 862832, 1078540, 1671737, 2157080, 3343474, 4314160, 6686948, 8142977, 8358685, 13373896, 16285954, 16717370, 26747792, 32571908, 33434740, 40714885, 65143816, 66869480, 81429770, 130287632, 133738960, 162859540, 252432287, 325719080, 504864574, 651438160, 1009729148, 1262161435, 2019458296, 2524322870, 4038916592, 5048645740, 10097291480, 20194582960]

約数ペア:

[(1, 20194582960), (2, 10097291480), (4, 5048645740), (5, 4038916592), (8, 2524322870), (10, 2019458296), (16, 1262161435), (20, 1009729148), (31, 651438160), (40, 504864574), (62, 325719080), (80, 252432287), (124, 162859540), (151, 133738960), (155, 130287632), (248, 81429770), (302, 66869480), (310, 65143816), (496, 40714885), (604, 33434740), (620, 32571908), (755, 26747792), (1208, 16717370), (1240, 16285954), (1510, 13373896), (2416, 8358685), (2480, 8142977), (3020, 6686948), (4681, 4314160), (6040, 3343474), (9362, 2157080), (12080, 1671737), (18724, 1078540), (23405, 862832), (37448, 539270), (46810, 431416), (53927, 374480), (74896, 269635), (93620, 215708), (107854, 187240)]