20193897284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{64019}}^1$

素因数の和:64208

約数の個数: 48

約数和(自身を含む): 39493681920

約数和(自身を除く): 19299784636

約数列:

[1, 2, 4, 11, 22, 44, 67, 107, 134, 214, 268, 428, 737, 1177, 1474, 2354, 2948, 4708, 7169, 14338, 28676, 64019, 78859, 128038, 157718, 256076, 315436, 704209, 1408418, 2816836, 4289273, 6850033, 8578546, 13700066, 17157092, 27400132, 47182003, 75350363, 94364006, 150700726, 188728012, 301401452, 458952211, 917904422, 1835808844, 5048474321, 10096948642, 20193897284]

約数ペア:

[(1, 20193897284), (2, 10096948642), (4, 5048474321), (11, 1835808844), (22, 917904422), (44, 458952211), (67, 301401452), (107, 188728012), (134, 150700726), (214, 94364006), (268, 75350363), (428, 47182003), (737, 27400132), (1177, 17157092), (1474, 13700066), (2354, 8578546), (2948, 6850033), (4708, 4289273), (7169, 2816836), (14338, 1408418), (28676, 704209), (64019, 315436), (78859, 256076), (128038, 157718)]