20155177744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3125803}}^1$

素因数の和:3125855

約数の個数: 40

約数和(自身を含む): 43411165952

約数和(自身を除く): 23255988208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3125803, 6251606, 12503212, 25006424, 40635439, 50012848, 81270878, 96899893, 162541756, 193799786, 325083512, 387599572, 650167024, 775199144, 1259698609, 1550398288, 2519397218, 5038794436, 10077588872, 20155177744]

約数ペア:

[(1, 20155177744), (2, 10077588872), (4, 5038794436), (8, 2519397218), (13, 1550398288), (16, 1259698609), (26, 775199144), (31, 650167024), (52, 387599572), (62, 325083512), (104, 193799786), (124, 162541756), (208, 96899893), (248, 81270878), (403, 50012848), (496, 40635439), (806, 25006424), (1612, 12503212), (3224, 6251606), (6448, 3125803)]