20790787554

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{4643}}^1$

素因数の和:4844

約数の個数: 96

約数和(自身を含む): 47293009920

約数和(自身を除く): 26502222366

約数列:

[1, 2, 3, 6, 9, 18, 47, 67, 79, 94, 134, 141, 158, 201, 237, 282, 402, 423, 474, 603, 711, 846, 1206, 1422, 3149, 3713, 4643, 5293, 6298, 7426, 9286, 9447, 10586, 11139, 13929, 15879, 18894, 22278, 27858, 28341, 31758, 33417, 41787, 47637, 56682, 66834, 83574, 95274, 218221, 248771, 311081, 366797, 436442, 497542, 622162, 654663, 733594, 746313, 933243, 1100391, 1309326, 1492626, 1866486, 1963989, 2200782, 2238939, 2799729, 3301173, 3927978, 4477878, 5599458, 6602346, 14620807, 17239459, 24575399, 29241614, 34478918, 43862421, 49150798, 51718377, 73726197, 87724842, 103436754, 131587263, 147452394, 155155131, 221178591, 263174526, 310310262, 442357182, 1155043753, 2310087506, 3465131259, 6930262518, 10395393777, 20790787554]

約数ペア:

[(1, 20790787554), (2, 10395393777), (3, 6930262518), (6, 3465131259), (9, 2310087506), (18, 1155043753), (47, 442357182), (67, 310310262), (79, 263174526), (94, 221178591), (134, 155155131), (141, 147452394), (158, 131587263), (201, 103436754), (237, 87724842), (282, 73726197), (402, 51718377), (423, 49150798), (474, 43862421), (603, 34478918), (711, 29241614), (846, 24575399), (1206, 17239459), (1422, 14620807), (3149, 6602346), (3713, 5599458), (4643, 4477878), (5293, 3927978), (6298, 3301173), (7426, 2799729), (9286, 2238939), (9447, 2200782), (10586, 1963989), (11139, 1866486), (13929, 1492626), (15879, 1309326), (18894, 1100391), (22278, 933243), (27858, 746313), (28341, 733594), (31758, 654663), (33417, 622162), (41787, 497542), (47637, 436442), (56682, 366797), (66834, 311081), (83574, 248771), (95274, 218221)]