20789025964

素因数分解:

$2^2\times 7^2\times {\mathrm{5557}}^1\times {\mathrm{19087}}^1$

素因数の和:24662

約数の個数: 36

約数和(自身を含む): 42330350496

約数和(自身を除く): 21541324532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 5557, 11114, 19087, 22228, 38174, 38899, 76348, 77798, 133609, 155596, 267218, 272293, 534436, 544586, 935263, 1089172, 1870526, 3741052, 106066459, 212132918, 424265836, 742465213, 1484930426, 2969860852, 5197256491, 10394512982, 20789025964]

約数ペア:

[(1, 20789025964), (2, 10394512982), (4, 5197256491), (7, 2969860852), (14, 1484930426), (28, 742465213), (49, 424265836), (98, 212132918), (196, 106066459), (5557, 3741052), (11114, 1870526), (19087, 1089172), (22228, 935263), (38174, 544586), (38899, 534436), (76348, 272293), (77798, 267218), (133609, 155596)]