20354994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 28077390

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 223, 446, 461, 669, 922, 1338, 1383, 2007, 2453, 2766, 4014, 4149, 4906, 5071, 7359, 8298, 10142, 14718, 15213, 22077, 30426, 44154, 45639, 91278, 102803, 205606, 308409, 616818, 925227, 1130833, 1850454, 2261666, 3392499, 6784998, 10177497, 20354994]

約数ペア:

[(1, 20354994), (2, 10177497), (3, 6784998), (6, 3392499), (9, 2261666), (11, 1850454), (18, 1130833), (22, 925227), (33, 616818), (66, 308409), (99, 205606), (198, 102803), (223, 91278), (446, 45639), (461, 44154), (669, 30426), (922, 22077), (1338, 15213), (1383, 14718), (2007, 10142), (2453, 8298), (2766, 7359), (4014, 5071), (4149, 4906)]