20194830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 52728624

約数和(自身を除く): 32533794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 457, 491, 914, 982, 1371, 1473, 2285, 2455, 2742, 2946, 4113, 4419, 4570, 4910, 6855, 7365, 8226, 8838, 13710, 14730, 20565, 22095, 41130, 44190, 224387, 448774, 673161, 1121935, 1346322, 2019483, 2243870, 3365805, 4038966, 6731610, 10097415, 20194830]

約数ペア:

[(1, 20194830), (2, 10097415), (3, 6731610), (5, 4038966), (6, 3365805), (9, 2243870), (10, 2019483), (15, 1346322), (18, 1121935), (30, 673161), (45, 448774), (90, 224387), (457, 44190), (491, 41130), (914, 22095), (982, 20565), (1371, 14730), (1473, 13710), (2285, 8838), (2455, 8226), (2742, 7365), (2946, 6855), (4113, 4910), (4419, 4570)]