20125504976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1768

約数の個数: 80

約数和(自身を含む): 41444966400

約数和(自身を除く): 21319461424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 191, 271, 304, 382, 542, 764, 1084, 1279, 1528, 2168, 2558, 3056, 3629, 4336, 5116, 5149, 7258, 10232, 10298, 14516, 20464, 20596, 24301, 29032, 41192, 48602, 51761, 58064, 82384, 97204, 103522, 194408, 207044, 244289, 346609, 388816, 414088, 488578, 693218, 828176, 977156, 983459, 1386436, 1954312, 1966918, 2772872, 3908624, 3933836, 4641491, 5545744, 6585571, 7867672, 9282982, 13171142, 15735344, 18565964, 26342284, 37131928, 52684568, 66202319, 74263856, 105369136, 132404638, 264809276, 529618552, 1059237104, 1257844061, 2515688122, 5031376244, 10062752488, 20125504976]

約数ペア:

[(1, 20125504976), (2, 10062752488), (4, 5031376244), (8, 2515688122), (16, 1257844061), (19, 1059237104), (38, 529618552), (76, 264809276), (152, 132404638), (191, 105369136), (271, 74263856), (304, 66202319), (382, 52684568), (542, 37131928), (764, 26342284), (1084, 18565964), (1279, 15735344), (1528, 13171142), (2168, 9282982), (2558, 7867672), (3056, 6585571), (3629, 5545744), (4336, 4641491), (5116, 3933836), (5149, 3908624), (7258, 2772872), (10232, 1966918), (10298, 1954312), (14516, 1386436), (20464, 983459), (20596, 977156), (24301, 828176), (29032, 693218), (41192, 488578), (48602, 414088), (51761, 388816), (58064, 346609), (82384, 244289), (97204, 207044), (103522, 194408)]