20215291299

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{22639}}^1$

素因数の和:23171

約数の個数: 32

約数和(自身を含む): 31184517120

約数和(自身を除く): 10969225821

約数列:

[1, 3, 7, 21, 101, 303, 421, 707, 1263, 2121, 2947, 8841, 22639, 42521, 67917, 127563, 158473, 297647, 475419, 892941, 2286539, 6859617, 9531019, 16005773, 28593057, 48017319, 66717133, 200151399, 962632919, 2887898757, 6738430433, 20215291299]

約数ペア:

[(1, 20215291299), (3, 6738430433), (7, 2887898757), (21, 962632919), (101, 200151399), (303, 66717133), (421, 48017319), (707, 28593057), (1263, 16005773), (2121, 9531019), (2947, 6859617), (8841, 2286539), (22639, 892941), (42521, 475419), (67917, 297647), (127563, 158473)]