20127556

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18482876

約数列:

[1, 2, 4, 31, 37, 41, 62, 74, 82, 107, 124, 148, 164, 214, 428, 1147, 1271, 1517, 2294, 2542, 3034, 3317, 3959, 4387, 4588, 5084, 6068, 6634, 7918, 8774, 13268, 15836, 17548, 47027, 94054, 122729, 135997, 162319, 188108, 245458, 271994, 324638, 490916, 543988, 649276, 5031889, 10063778, 20127556]

約数ペア:

[(1, 20127556), (2, 10063778), (4, 5031889), (31, 649276), (37, 543988), (41, 490916), (62, 324638), (74, 271994), (82, 245458), (107, 188108), (124, 162319), (148, 135997), (164, 122729), (214, 94054), (428, 47027), (1147, 17548), (1271, 15836), (1517, 13268), (2294, 8774), (2542, 7918), (3034, 6634), (3317, 6068), (3959, 5084), (4387, 4588)]