20888021216

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{165799}}^1$

素因数の和:165967

約数の個数: 48

約数和(自身を含む): 42784358400

約数和(自身を除く): 21896337184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 248, 254, 496, 508, 992, 1016, 2032, 3937, 4064, 7874, 15748, 31496, 62992, 125984, 165799, 331598, 663196, 1326392, 2652784, 5139769, 5305568, 10279538, 20559076, 21056473, 41118152, 42112946, 82236304, 84225892, 164472608, 168451784, 336903568, 652750663, 673807136, 1305501326, 2611002652, 5222005304, 10444010608, 20888021216]

約数ペア:

[(1, 20888021216), (2, 10444010608), (4, 5222005304), (8, 2611002652), (16, 1305501326), (31, 673807136), (32, 652750663), (62, 336903568), (124, 168451784), (127, 164472608), (248, 84225892), (254, 82236304), (496, 42112946), (508, 41118152), (992, 21056473), (1016, 20559076), (2032, 10279538), (3937, 5305568), (4064, 5139769), (7874, 2652784), (15748, 1326392), (31496, 663196), (62992, 331598), (125984, 165799)]