20384650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2887

約数の個数: 48

約数和(自身を含む): 44559648

約数和(自身を除く): 24174998

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2851, 3575, 5702, 7150, 14255, 28510, 31361, 37063, 62722, 71275, 74126, 142550, 156805, 185315, 313610, 370630, 407693, 784025, 815386, 926575, 1568050, 1853150, 2038465, 4076930, 10192325, 20384650]

約数ペア:

[(1, 20384650), (2, 10192325), (5, 4076930), (10, 2038465), (11, 1853150), (13, 1568050), (22, 926575), (25, 815386), (26, 784025), (50, 407693), (55, 370630), (65, 313610), (110, 185315), (130, 156805), (143, 142550), (275, 74126), (286, 71275), (325, 62722), (550, 37063), (650, 31361), (715, 28510), (1430, 14255), (2851, 7150), (3575, 5702)]