20153936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 42851424

約数和(自身を除く): 22697488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 307, 373, 614, 746, 1228, 1492, 2456, 2984, 3377, 4103, 4912, 5968, 6754, 8206, 13508, 16412, 27016, 32824, 54032, 65648, 114511, 229022, 458044, 916088, 1259621, 1832176, 2519242, 5038484, 10076968, 20153936]

約数ペア:

[(1, 20153936), (2, 10076968), (4, 5038484), (8, 2519242), (11, 1832176), (16, 1259621), (22, 916088), (44, 458044), (88, 229022), (176, 114511), (307, 65648), (373, 54032), (614, 32824), (746, 27016), (1228, 16412), (1492, 13508), (2456, 8206), (2984, 6754), (3377, 5968), (4103, 4912)]