20474412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3518

約数の個数: 48

約数和(自身を含む): 55383552

約数和(自身を除く): 34909140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3433, 5964, 6866, 10299, 13732, 20598, 24031, 41196, 48062, 72093, 96124, 144186, 243743, 288372, 487486, 731229, 974972, 1462458, 1706201, 2924916, 3412402, 5118603, 6824804, 10237206, 20474412]

約数ペア:

[(1, 20474412), (2, 10237206), (3, 6824804), (4, 5118603), (6, 3412402), (7, 2924916), (12, 1706201), (14, 1462458), (21, 974972), (28, 731229), (42, 487486), (71, 288372), (84, 243743), (142, 144186), (213, 96124), (284, 72093), (426, 48062), (497, 41196), (852, 24031), (994, 20598), (1491, 13732), (1988, 10299), (2982, 6866), (3433, 5964)]